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Free Pdf e-Book download for IIT-JEE, CBSE, ISc, CET Physics Chemistry Maths from Professor Subhashish SKMClasses can be done at
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Download the following FREE pdf e-Books ( Chapter wise / Topic wise solutions, Written by Prof. Subhashish Chattopadhyay SKMClasses Bangalore )
IIT-JEE, NCERT / CBSE, I.Sc., PU, Board exam, EAMCET, BITS Chemistry Books with lots of Examples ( Free pdf download of Chemistry Books, Chapter wise / Topic wise Questions and Solutions )
8 ] CBSE 12 & IIT-JEE Chemistry Survival Guide-Stoichiometry Titration by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Stoichiometry Titration ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Chemistry Survival Guide-Stoichiometry Titration by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers several examples of Stoichiometry Titrations, Heating effects in several salts, colours or colors of the precipitates, Empirical formulae calculation, Limiting reagents, Titration examples, Equivalent weight, milli-equivalent weight, What mass or moles is reacting with how much ? How much is oxidised ? How much is Reduced ? Several Complicated examples and many more, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Chem Survival Guide-Stoichiometry Titration by Prof. Subhashish
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7 ] CBSE 12 & IIT-JEE Chemistry Survival Guide-Redox Reactions by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Redox Reactions ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Chemistry Survival Guide-Redox Reactions by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers more than 60 examples of Redox Reactions, Several Complicated examples and many more, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Chem Survival Guide-Redox Reactions by Prof. Subhashish
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6 ] CBSE 12 & IIT-JEE Chemistry Survival Guide-Electrochemistry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Electrochemistry ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Chemistry Survival Guide-Electrochemistry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers Electrochemistry, Oxidation Potential, Reduction Potential, Electrode Potential, Reactivity Series, Battery, Nernst Equation, Variation of Voltage with concentration, Electrolyte, Electrolysis, Salt Bridge, Daniel Cell, Primary Cell, Secondary Cell, Galvanic Cell, Electrolytic Cell, Conductivity, Kohlrausch’s Law and many more, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Chem Survival Guide-ElectroChemistry by Prof. Subhashish
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5 ] CBSE 12 & IIT-JEE Organic Chemistry Survival Guide-Reduction Methods by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Reduction Methods ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Organic Chemistry Survival Guide-Reduction Methods by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers Various kinds of Reduction Methods in Organic Chemistry. Covers Gilmann’s Reagent, Grignard Reagent, Trimethyl Silyl Iodide, Silyl Wittig Reaction, Hydrogen with Ni, Zn, Pd Palladium, Bakers Yeast, Wolf Kishner, Wilkinson’s Catalyst, Birch Reduction, Lindlar’s Catalyst, Benkeser Reduction, Reduction with HCO2H, Sodium Boro Hydride NaBH4, Veils Meier Reaction, Luche’s Reagent, Super Hydride, Sodium Cyno boro hydride, Dibal H, Adams Catalyst, Rosen Mund Reduction, Various Lithium Aluminium Hydrides, NaNH2, and many more, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Organic Chem Survival Guide-Reduction methods by Prof. Subhashish
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4 ] CBSE 12 & IIT-JEE Organic Chemistry Survival Guide-Oxidation Methods by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Oxidation Methods ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Organic Chemistry Survival Guide-Oxidation Methods by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers Various kinds of Oxidation Methods in Organic Chemistry. Covers Sarett’s Reagent, PCC, Chromium Oxide, Osmium Oxide, Manganese Oxide, Silver oxides, Ruthenuim Oxide, Hydrogen Peroxide, Selenium dioxide, KMnO4, Jones, Julia Colonna, DCC, Corey’s, Moffats, Ley Oxidation, MPV, Fetizon, Frmy’s Salt, Elbs Persulphate Oxidation, Sodiumperiodate, Palladium Chloride, Copper Chloride, Sharpless epoxidation, and many more, and various incomplete dictionary kinds of collection for Course of IIT-JEE, AIEEE, CET, etc with CBSE, AIEEE, IIT-JEE ( Main and Advanced ) Problems and Solutions.Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Organic Chem Survival Guide-Oxidation methods by Prof. Subhashish
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3 ] CBSE 12 & IIT-JEE Chem Survival Guide-Bonds & Structure by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Bonds & Structures ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Chem Survival Guide-Bonds & Structures by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II AP-Chemistry IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers Various kinds of Bonds and Structures in Chemistry. Covers Sigma, Pi, Delta, Back Bonding, Coordinate or Dative Bond, Eta Bond, Hydrogen Bond, London forces, and many more, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions.Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Chem Survival Guide-Bonds & Structure by Prof. Subhashish
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2 ] CBSE 12 & IIT-JEE Chem Survival Guide-Elements & Properties by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Elements & Properties ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Chem Survival Guide-Elements & Properties by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II AP-Chemistry IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers Elements & Their Properties in Chemistry. Covers the discoveries by spectral Analysis, Named after smell, places, people etc. Various compounds, tests, properties, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions.Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Chem Survival Guide-Elements & Properties by Prof. Subhashish
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1 ] CBSE 12 & IIT-JEE Chem Survival Guide-Empirical Formulae by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Empirical Formulae ” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Chem Survival Guide-Empirical Formulae by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II AP-Chemistry IGCSE IB AP-Chemistry, CET, VIT, Manipal, SRM and other exams.
This e-Book covers various kinds of Empirical Equations in Chemistry. These equations are formed by experiments, and graph plotting. In some rare cases the Theory was developed later. Covers Slater’s rule, Shielding, Finding Electronegativity values by Allred and Rochow’s empirical formula, Moseley’s Law, Trouton’s law, Einstein-Debey equation (Dulong & Petit), Reynolds number, Raoult’s law, Variation of viscosity with temperature, Arrhenius model, Williams-Landel-Ferry model, Masuko and Magill model, Walther formula, Wright model, Seeton model, Variation of surface tension with temperature, Eotvos equation, Guggenheim-Katayama equation, Debye-Huckel-Onsager theory of conductivity of ions in dilute solutions, Liquid drop model of Nucleus, Nuclear Shell Model, Ionic character percentage of a diatomic molecule, and various incomplete dictionary kinds of collection for Course of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions.Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions.
CBSE 12 & IIT-JEE Chem Survival Guide-Empirical Formulae by Prof. Subhashish
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IIT-JEE, NCERT / CBSE, I.Sc., PU, Board exam, EAMCET, BITS Math Books with lots of Questions and Solutions, Examples ( Free pdf download of Math Books, Chapter wise / Topic wise Solutions )
17 ] CBSE & IIT-JEE Math Survival Guide-Trigonometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Trigonometry” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Trigonometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Trigonometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Trigonometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE & IIT-JEE Math Survival Guide-Trigonometry by Prof. Subhashish
16 ] CBSE & IIT-JEE Math Survival Guide-3D Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding 3D Coordinate Geometry” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-3D Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers 3D Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of 3D Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE & IIT-JEE Math Survival Guide-3D Geometry by Prof. Subhashish
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15 ] CBSE & IIT-JEE Math Survival Guide-Hyperbola Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Hyperbola Coordinate Geometry” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Hyperbola Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Hyperbola Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Hyperbola Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE & IIT-JEE Math Survival Guide-Hyperbola by Prof. Subhashish
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14 ] CBSE & IIT-JEE Math Survival Guide-Ellipse Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Ellipse Coordinate Geometry” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Ellipse Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Ellipse Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Ellipse Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE & IIT-JEE Math Survival Guide-Ellipse by Prof. Subhashish
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13 ] CBSE & IIT-JEE Math Survival Guide-Parabola Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Parabola Coordinate Geometry” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Parabola Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Parabola Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Parabola Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE & IIT-JEE Math Survival Guide-Parabola by Prof. Subhashish
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12 ] CBSE & IIT-JEE Math Survival Guide-Pair of Straight Lines Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Pair of Straight Lines Coordinate Geometry” for IIT-JEE, I.Sc., CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Pair of Straight Lines Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Pair of Straight Lines Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Pair of Straight Lines Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE & IIT-JEE Math Survival Guide-Pair of Straight Lines by Prof. Subhashish
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11 ] CBSE 11 & IIT-JEE Math Survival Guide-Circles Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Circles Coordinate Geometry” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Circles Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Circles Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Circles Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 11 & IIT-JEE Math Survival Guide-Circles by Prof. Subhashish
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10 ] CBSE 11 & IIT-JEE Math Survival Guide-Straight Lines Coordinate Geometry by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Lines Coordinate Geometry” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Lines Coordinate Geometry by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Straight Lines Coordinate Geometry with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Straight Lines Coordinate Geometry, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 11 & IIT-JEE Math Survival Guide-Straight Lines by Prof. Subhashish
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9 ] CBSE 11 & IIT-JEE Math Survival Guide-Complex Numbers or Imaginary Numbers by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Complex Numbers or Imaginary Numbers” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Complex Numbers or Imaginary Numbers by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Complex Numbers or Imaginary Numbers with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Complex Numbers or Imaginary Numbers, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 11 & IIT-JEE Math Survival Guide-Complex Number by Prof. Subhashish
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8 ] CBSE 12 & IIT-JEE Math Survival Guide-Quadratic Equations by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Quadratic Equations” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Quadratic Equation by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Quadratic Equations with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Quadratic Equations, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 11 & IIT-JEE Math Survival Guide-Quadratic Equation by Prof. Subhashish
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7 ] CBSE 12 & IIT-JEE Math Survival Guide-Continuity and Differentiability by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Continuity & Differentiability” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Continuity and Differentiability by Prof. Subhashish Chattopadhyay SKMClasses Bangalore. Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Continuity and Differentiability with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Continuity and Differentiability, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 12 & IIT-JEE Math Survival Guide-Continuity & Differentiability by Prof. Subhashish
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6 ] CBSE 12 & IIT-JEE Math Survival Guide-Relations and Functions by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Relations & Functions” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Relations and Functions by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Relations and Functions with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Relations and Functions, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 12 & IIT-JEE Math Survival Guide-Relations & Functions by Prof. Subhashish
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5 ] CBSE 12 & IIT-JEE Math Survival Guide-Graphs and Functions by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Graphs & Functions” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Graphs and Functions by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II CET CEE COMED-K IGCSE IB AP-Mathematics and other exams.
This e-Book covers Graphs and Functions with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Graphs and Functions, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 12 & IIT-JEE Math Survival Guide-Functions & Graphs by Prof. Subhashish
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4 ] CBSE 12 & IIT-JEE Math Survival Guide-Indefinite Integrals by Prof. Subhashish Chattopadhyay
Description – “Spoon Feeding Indefinite Integrals & Calculus” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Indefinite Integrals by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II CET CEE IGCSE IB AP-Mathematics and other exams.
This e-Book covers Indefinite Integrals with lots of Video explanations. The classroom teaching videos can be seen by clicking on the given links. The videos can be downloaded also. Hundreds of tricky problems solved. Rules / Tricks / Properties of Indefinite Integrals, with CBSE, COMED-K, IIT-JEE ( Main and Advanced ) Problems and Solutions. Includes NCERT / CBSE Text Book Solutions, Chapter wise Solutions, AIEEE ( Now known as IIT-JEE main ) Solutions, Roorkey Entrance Exam Solutions, EAMCET Solutions. R D Sharma Solutions, R S Aggarwal’s Solutions.
CBSE 12 & IIT-JEE Math Survival Guide-Indefinite Integrals by Prof. Subhashish
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3 ] CBSE 12 & IIT-JEE Math Survival Guide-Area & Volume by Prof. Subhashish
Description – “Spoon Feeding Area and Volume ” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 and IIT-JEE Math Survival Guide-Area and Volume by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Mathematics and other exams.
This e-Book covers various kinds of graphs, such as graph of Ln x, ( ln x )/x, x Ln x, floor x [ x ] , Shifting of graphs, roots of Quadratic, cubic, and other higher powers of x ( polynomials ), asymptotes, ( How to find Asymptotes ) etc. Volume by revolution and hundreds of Area problems of IIT-JEE, CET, etc with CBSE, COMEDK, IIT-JEE ( Main and Advanced ) Problems and Solutions.
CBSE 12 & IIT-JEE Math Survival Guide-Area & Volume by Prof. Subhashish
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2 ] CBSE 12 & IIT-JEE Math Survival Guide-Definite Integrals by Prof. Subhashish
Description – “Spoon Feeding Definite Integrals ” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Definite Integrals by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Mathematics and other exams.
CBSE 12 & IIT-JEE Math Survival Guide-Definite Integrals by Prof. Subhashish
This e-Book covers Definite Integrals with [ x ] greatest integer functions, { x } fraction function, Max and Min functions. Gamma function, Beta function, Integration after converting to Complex number, Leibnitz forms of Differentiating Integrals, L Hospital’s rule applied to limits with Integrals, Inequalities of Integrals, Rules / Tricks / Properties of Definite Integrals, with CBSE, AIEEE, IIT-JEE ( Main and Advanced ) Problems and Solutions.
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1 ] CBSE 12 Math Survival Guide-Differential Equations by Prof. Subhashish.pdf
Description – “Spoon Feeding Differential Equations ” for IIT-JEE, I.Sc. , CBSE, Karnataka PU, State Boards etc. CBSE Standard 12 Math Survival Guide-Differential Equations by Prof. Subhashish Chattopadhyay SKMClasses Bangalore Useful for I.Sc. PU-II COMEDK IGCSE IB AP-Mathematics and other exams.
CBSE 12 & IIT-JEE Math Survival Guide-Differential Equations by Prof. Subhashish
This e-Book covers all kinds of Differential equations, and methods to solve them. There is a priority checklist for the approach to be taken for solving the problems. Covers ISc, CBSE. AIEEE, IIT-JEE problems, Linear, Homogeneous, Variable separable by substitution, Exact, Reducible to exact, Bernoulli, Integrating Factors or Multiplying Factors, even Clairaut’s Differential Equations ( IIT-JEE 1999, Bihar CEE 1999 )
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Chapter 15 :
Must see https://zookeepersblog.wordpress.com/some-points-which-i-wish-all-my-new-prospective-students-know/
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15.1 Explain the terms polymer and monomer.
Ans 15.1 –
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If everything is a Protein then is this hair Protein ?
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Must see https://zookeepersblog.wordpress.com/some-points-which-i-wish-all-my-new-prospective-students-know/
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The next chapter Solution is at https://zookeepersblog.wordpress.com/ncert-cbse-standard-12-chemistry-in-everyday-life-chapter-16/
!
The previous chapter Solution is at https://zookeepersblog.wordpress.com/ncert-cbse-standard-12-biomolecules-chapter-14-organic-chemistry/
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The first Chapter Solution is at https://zookeepersblog.wordpress.com/ncert-cbse-standard-12-solid-state-chapter-1-physical-chemistry/
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15.2 What are natural and synthetic polymers? Give two examples of each type.
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Polymers formed from Ethylene and substituted Ethylenes
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Polymers formed from Butadiene and substituted Butadiene
Know about Gutta-Percha
Gutta-percha latex is biologically inert, resilient, and is a good electrical insulator with a high dielectric strength. The wood of many species is also valuable.
Western inventors discovered the properties of gutta-percha latex in 1842, although the local population in its Malayan habitat had used it for a variety of applications for centuries. Allowing this fluid to evaporate and coagulate in the sun produced a latex which could be made flexible again with hot water, but which did not become brittle, unlike rubber prior to the discovery of vulcanization.
By 1845, telegraph wires insulated with gutta-percha were being manufactured in the United Kingdom. It served as the insulating material for some of the earliest undersea telegraph cables, including the first transatlantic telegraph cable. Gutta-percha was particularly suitable for this purpose, as it was not attacked by marine plants or animals, a problem which had disabled previous undersea cables. The material was a major constituent of Chatterton’s compound used as an insulating sealant for telegraph and other electrical cables. Polyethylene’s superior insulative property has displaced it.
Monomer Chloroprene gives Neoprene a synthetic rubber
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Vulcanization of Rubber
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Examples of Copolymers
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Some examples of step growth Polymers
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Glyptal
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Bakelite
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Polymerisation of Alkynes due to Triple Bond
The products obtained by polymerising ethyne depend on the conditions used.
When ethyne is passed through a glass tube at 4000C a little benzene is formed. This is not a suitable way to make benzene in quantity but it is an example of direct conversion from an open chain to an aromatic compound, (i.e. one with a closed-ring benzenoid structure)
400 degC
3 C2H2 ==> C6H6
Ethyne Benzene
Two molecules of ethyne can be combined to produce vinyl ethyne, HC(CCH=CH2, by passing the ethyne into a saturated solution of cuprous chloride in
ammonium chloride continuously in such a way that low conversions of starting material occur.
Cu2Cl2
NH4Cl
2 HC CH ==> HCCCH = CH2
Ethyne Vinyl Ethyne
This linear polymerisation can be extended by altering the conditions of reaction. For example,
HCCCH=CH2 + HCCH ==> CH2=CHC(CCH=CH2
Vinyl Ethyne Ethyne DiVinyl Ethyne Poly(methyl methacrylate) (PMMA) is a transparent thermoplastic, often used as a lightweight or shatter-resistant alternative to glass.
Although it is not technically a type of glass, the substance has sometimes historically been called acrylic glass.
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15.3 Distinguish between the terms homopolymer and copolymer and give an
example of each.
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15.4 How do you explain the functionality of a monomer?
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15.5 Define the term polymerisation.
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15.6 Is ( NH-CHR-CO )n, a homopolymer or copolymer?
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15.7 In which classes, the polymers are classified on the basis of molecular forces?
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15.8 How can you differentiate between addition and condensation polymerisation?
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15.9 Explain the term copolymerisation and give two examples.
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15.10 Write the free radical mechanism for the polymerisation of ethene.
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15.11 Define thermoplastics and thermosetting polymers with two examples of each.
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15.12 Write the monomers used for getting the following polymers.
(i) Polyvinyl chloride (ii) Teflon (iii) Bakelite
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The next chapter Solution is at https://zookeepersblog.wordpress.com/ncert-cbse-standard-12-chemistry-in-everyday-life-chapter-16/
!
The previous chapter Solution is at https://zookeepersblog.wordpress.com/ncert-cbse-standard-12-biomolecules-chapter-14-organic-chemistry/
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The first Chapter Solution is at https://zookeepersblog.wordpress.com/ncert-cbse-standard-12-solid-state-chapter-1-physical-chemistry/
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Saran Polymer
Saran is the trade name for a number of polymers made from vinylidene chloride (especially polyvinylidene chloride or PVDC), along with other monomers. Since its accidental discovery in 1933, Saran has been used for a number of commercial and industrial products. When formed into a thin plastic film, the principal advantage of Saran, when compared to other plastics, is its very low permeability to water vapor, flavor and aroma molecules, and oxygen. This oxygen barrier retards food spoilage, while the film barrier to flavor and aroma molecules helps food retain its flavor and aroma
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15.13 Write the name and structure of one of the common initiators used in free
radical addition polymerisation.
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15.14 How does the presence of double bonds in rubber molecules influence their
structure and reactivity?
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15.15 Discuss the main purpose of vulcanisation of rubber.
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15.16 What are the monomeric repeating units of Nylon-6 and Nylon-6,6?
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15.17 Write the names and structures of the monomers of the following polymers:
(i) Buna-S (ii) Buna-N (iii) Dacron (iv) Neoprene
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Polyesters Polyamides Polyethers Polysiloxanes
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Polyurethane
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1,2 polymerization and 1,4 Polymerization
cis-1,4-polyisoprene ( known as isoprene rubber )
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Polymerization of isoprene can proceed in 1,2 or 3,4 or 1,4 mode
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Polymerization of butadiene
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15.19 How is dacron obtained from ethylene glycol and terephthalic acid ?
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15.20 What is a biodegradable polymer ? Give an example of a biodegradable aliphatic
polyester.
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Surprise Element :
Did you know that IIT JEE 1999 had a Clairaut’s differential equation Question.
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How many IIT JEE Guide and Coaching Institutes you attended covered this ?
http://www.youtube.com/watch?v=gg2i74Txb7w
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Epimer
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Anomer
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Polymerization of Conjugated Dienes
Biosynthesis of 3-methyl pyrophosphate
Dont forget to learn from SKM Classes South Bangalore
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“Copolymerisation has been used by nature in polypeptides which may contain as many as 20 different amino acids. Chemists are still far behind”.
Do you think that daily life would have been easier and colourful without the discovery and varied applications of polymers? The use of polymers in the manufacture of plastic buckets, cups and saucers, children’s toys, packaging bags, synthetic clothing materials, automobile tyres, gears and seals, electrical insulating materials and machine parts has completely revolutionised the daily life as well as the industrial scenario. Indeed, the polymers are the backbone of four major industries viz. plastics, elastomers, fibres and paints and varnishes. The word ‘polymer’ is coined from two Greek words: poly means many and mer means unit or part. The term polymer is defined as very large molecules having high molecular mass (103-107u). These are also referred to as macromolecules, which are formed by joining of repeating structural units on a large scale. The repeating structural units are derived from some simple and reactive molecules known as monomers and are linked to each other by covalent bonds. This process of formation of polymers from respective monomers is called polymerisation. The transformation of ethene to polythene and interaction of hexamethylene diamine and adipic acid leading to the formation of Nylon 6, 6 are examples of two different types of polymerisation reactions.
15.1 Classification of Polymers
There are several ways of classification of polymers based on some special considerations. The following are some of the common classifications of polymers:
15.1.1 Classification Based on Source
Under this type of classification, there are three sub categories.
1. Natural polymers
These polymers are found in plants and animals. Examples are proteins, cellulose, starch, resins and rubber.
2. Semi-synthetic polymers
Cellulose derivatives as cellulose acetate (rayon) and cellulose nitrate, etc. are the usual examples of this sub category.
3. Synthetic polymers
A variety of synthetic polymers as plastic (polythene), synthetic fibres (nylon 6,6) and synthetic rubbers (Buna – S) are examples of man-made polymers extensively used in daily life as well as in industry.
There are three different types based on the structure of the polymers.
Syndiotactic and Atactic polymers ( Polystyrene )
Isotactic Polymers
15.1.2 Classification Based
1. Linear polymers on Structure
These polymers consist of long and straight chains. The examples of Polymers are high density polythene, polyvinyl chloride, etc. These are represented as:
2. Branched chain polymers
These polymers contain linear chains having some branches, e.g., low density polythene. These are depicted as follows:
3. Cross linked or Network polymers
These are usually formed from bi-functional and tri-functional monomers and contain strong covalent bonds between various linear polymer chains, e.g. bakelite, melamine, etc. These polymers are depicted as follows:
15.1.3 Classification Based on Mode of Polymerisation
Polymers can also be classified on the basis of mode of polymerisation into two sub groups.
1. Addition polymers
The addition polymers are formed by the repeated addition of monomer molecules possessing double or triple bonds, e.g., the formation of polythene from ethene and polypropene from propene. However, the addition polymers formed by the polymerisation of a single monomeric species are known as homopolymers, e.g.,
polythene.
2. Condensation polymers
The condensation polymers are formed by repeated condensation reaction between two different bi-functional or tri-functional monomeric units. In these polymerisation reactions, the elimination of small molecules such as water, alcohol, hydrogen chloride, etc. take place. The examples are terylene (dacron), nylon 6, 6, nylon 6, etc. For example, nylon 6, 6 is formed by the condensation of hexamethylene diamine with adipic acid.
15.1.4 Classification Based on Molecular Forces
A large number of polymer applications in different fields depend on their unique mechanical properties like tensile strength, elasticity, toughness, etc. These mechanical properties are governed by intermolecular forces, e.g., van der Waals forces and hydrogen bonds, present in the polymer. These forces also bind the polymer chains. Under this category, the polymers are classified into the following four sub groups on the basis of magnitude of intermolecular forces present in them.
1. Elastomers
These are rubber – like solids with elastic properties. In these elastomeric polymers, the polymer chains are held together by the weakest intermolecular forces. These weak binding forces permit the polymer to be stretched. A few ‘crosslinks’ are introduced in between the chains, which help the polymer to retract to its original position after the force is released as in vulcanised rubber. The examples are buna-S, buna-N, neoprene, etc.
2. Fibres
Fibres are the thread forming solids which possess high tensile strength and high modulus. These characteristics can be attributed to the strong intermolecular forces like hydrogen bonding. These strong forces also lead to close packing of chains and thus impart crystalline nature. The examples are polyamides (nylon 6, 6), polyesters (terylene), etc.
3. Thermoplastic polymers
These are the linear or slightly branched long chain molecules capable of repeatedly softening on heating and hardening on cooling. These polymers possess intermolecular forces of attraction intermediate between elastomers and fibres. Some common thermoplastics are polythene, polystyrene, polyvinyls, etc.
4 Thermosetting polymers
These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. These cannot be reused. Some common examples are bakelite, urea-formaldelyde resins, etc.
15.1.5 Classification Based on Growth Polymerisation
The addition and condensation polymers are nowadays also referred as chain growth polymers and step growth polymers depending on the type of polymerisation mechanism they undergo during their formation.
Intext Question
15.1 What are polymers ?
15.2 How are polymers classified on the basis of structure?
15.2 Types of Polymerization Reactions
There are two broad types of polymerisation reactions, i.e., the addition or chain growth polymerisation and condensation or step growth polymerisation.
15.2.1 Addition Polymerisation or Chain Growth Polymerisation
In this type of polymerisation, the molecules of the same monomer or diferent monomers add together on a large scale to form a polymer. The monomers used are unsaturated compounds, e.g., alkenes, alkadienes and their derivatives. This mode of polymerisation leading to an increase in chain length or chain growth can take place through the formation of either free radicals or ionic species. However, the free radical governed addition or chain growth polymerisation is the most common mode.
1. Free radical mechanism
A variety of alkenes or dienes and their derivatives are polymerised in the presence of a free radical generating initiator (catalyst) like benzoyl peroxide, acetyl peroxide, tert-butyl peroxide, etc. For example, the polymerisation of ethene to polythene consists of heating or exposing to light a mixture of ethene with a small amount of benzoyl peroxide initiator. The process starts with the addition of phenyl free radical formed by the peroxide to the ethene double bond thus generating a new and larger free radical. This step is called chain initiating step. As this radical reacts with another molecule of ethene, another bigger sized radical is formed. The repetition of this sequence with new and bigger radicals carries the reaction forward and the step is termed as chain propagating step. Ultimately, at some stage the product radical thus formed reacts with another radical to form the polymerised product. This step is called the chain terminating step. The sequence of steps may be depicted as follows:
Chain initiation steps
Chain terminating step
For termination of the long chain, these free radicals can combine in different ways to form polythene. One mode of termination of chain is shown as under:
2 Preparation of some important addition polymers
(a) Polythene
There are two types of polythene as given below:
(i) Low density polythene: It is obtained by the polymerisation of ethene under high pressure of 1000 to 2000 atmospheres at a temperature of 350 K to 570 K in the presence of traces of dioxygen or a peroxide initiator (catalyst). The low density polythene (LDP) obtained through the free radical addition and H-atom abstraction has highly branched structure. Low density polythene is chemically inert and tough but flexible and a poor conductor of electricity. Hence, it is used in the insulation of electricity carrying wires and manufacture of squeeze bottles, toys and flexible pipes.
(ii) High density polythene: It is formed when addition polymerisation of ethene takes place in a hydrocarbon solvent in the presence of a catalyst such as triethylaluminium and titanium tetrachloride (Ziegler-Natta catalyst) at a temperature of 333 K to 343 K and under a pressure of 6-7 atmospheres. High density polythene (HDP) thus produced, consists of linear molecules and has a high density due to close packing. It is also chemically inert and more tougher and harder. It is used for manufacturing buckets, dustbins, bottles, pipes, etc.
(b) Polytetrafluoroethene (Teflon)
Teflon is manufactured by heating tetrafluoroethene with a free radical or persulphate catalyst at high pressures. It is chemically inert and resistant to attack by corrosive reagents. It is used in making oil seals and gaskets and also used for non – stick surface coated utensils.
(c) Polyacrylonitrile
The addition polymerisation of acrylonitrile in presence of a peroxide catalyst leads to the formation of polyacrylonitrile. Polyacrylonitrile is used as a substitute for wool in making commercial fibres as orlon or acrilan.
15.2.2 Condensation Polymerisation or Step Growth polymerisation
This type of polymerisation generally involves a repetitive condensation reaction between two bi-functional monomers. These polycondensation reactions may result in the loss of some simple molecules as water, alcohol, etc., and lead to the formation of high molecular mass condensation polymers.
In these reactions, the product of each step is again a bi-functional species and the sequence of condensation goes on. Since, each step produces a distinct functionalised species and is independent of each other, this process is also called as step growth polymerisation.
The formation of terylene or dacron by the interaction of ethylene glycol and terephthalic acid is an example of this type of polymerisation.
Some important condensation polymerisation reactions characterised by their linking units are described below:
1. Polyamides
These polymers possessing amide linkages are important examples of synthetic fibres and are termed as nylons. The general method of preparation consists of the condensation polymerisation of diamines with dicarboxylic acids and also of amino acids and their lactams.
Preparation of nylons
(i) Nylon 6,6: It is prepared by the condensation polymerisation of hexamethylenediamine with adipic acid under high pressure and at high temperature.
Nylon 6, 6 is used in making sheets, bristles for brushes and in textile industry.
(ii) Nylon 6: It is obtained by heating caprolactum with water at a high temperature.
Nylon 6 is used for the manufacture of tyre cords, fabrics and ropes.
2. Polyesters
These are the polycondensation products of dicarboxylic acids and diols. Dacron or terylene is the best known example of polyesters. It is manufactured by heating a mixture of ethylene glycol and terephthalic acid at 420 to 460 K in the presence of zinc acetate antimony trioxide catalyst as per the reaction given earlier. Dacron fibre (terylene) is crease resistant and is used in blending with cotton and wool fibres and also as glass reinforcing materials in safety helmets, etc.
3. Phenol – formaldehyde polymer (Bakelite and related polymers)
Phenol – formaldehyde polymers are the oldest synthetic polymers. These are obtained by the condensation reaction of phenol with formaldehyde in the presence of either an acid or a base catalyst. The reaction starts with the initial formation of o-and/or p-hydroxymethylphenol derivatives, which further react with phenol
to form compounds having rings joined to each other through –CH2 groups. The initial product could be a linear product – Novolac used in paints.
Novolac on heating with formaldehyde undergoes cross linking to form an infusible solid mass called bakelite. It is used for making combs, phonograph records, electrical switches and handles of various utensils.
4. Melamine – formaldehyde polymer
Melamine formaldehyde polymer is formed by the condensation polymerisation of melamine and formaldehyde.
It is used in the manufacture of unbreakable crockery.
Intext Question
15.3 Write the names of monomers of the following polymers:
15.4 Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene.
15.2.3 Copolymerisation
Copolymerisation is a polymerisation reaction in which a mixture of more than one monomeric species is allowed to polymerise and form a copolymer. The copolymer can be made not only by chain growth polymerisation but by step growth polymerisation also. It contains multiple units of each monomer used in the same polymeric chain. For example, a mixture of 1, 3 – butadiene and styrene can form a copolymer.
Copolymers have properties quite different from homopolymers. For example, butadiene – styrene copolymer is quite tough and is a good substitute for natural rubber. It is used for the manufacture of autotyres, floortiles, footwear components, cable insulation, etc.
15.2.4 Rubber
1. Natural rubber
Rubber is a natural polymer and possesses elastic properties. It is also termed as elastomer and has a variety of uses. It is manufactured from rubber latex which is a colloidal dispersion of rubber in water. This latex is obtained from the bark of rubber tree and is found in India, Srilanka, Indonesia, Malaysia and South America.
Natural rubber may be considered as a linear polymer of isoprene (2-methyl-1, 3-butadiene) and is also called as cis – 1, 4 – polyisoprene.
The cis-polyisoprene molecule consists of various chains held together by weak van der Waals interactions and has a coiled structure. Thus, it can be stretched like a spring and exhibits elastic properties.
Vulcanisation of rubber: Natural rubber becomes soft at high temperature (>335 K) and brittle at low temperatures (On vulcanisation, sulphur forms cross links at the reactive sites of double bonds and thus the rubber gets stiffened.
In the manufacture of tyre rubber, 5% of sulphur is used as a crosslinking agent. The probable structures of vulcanised rubber molecules are depicted below:
2. Synthetic rubbers
Synthetic rubber is any vulcanisable rubber like polymer, which is capable of getting stretched to twice its length. However, it returns to its original shape and size as soon as the external stretching force is released. Thus, synthetic rubbers are either homopolymers of 1, 3 – butadiene derivatives or copolymers of 1, 3 – butadiene or its derivatives with another unsaturated monomer.
Preparation of Synthetic Rubbers
1. Neoprene
Neoprene or polychloroprene is formed by the free radical polymerisation of chloroprene.
It has superior resistance to vegetable and mineral oils. It is used for manufacturing conveyor belts, gaskets and hoses.
2. Buna – N
You have already studied about Buna-S, in Section 15.1.3. Buna –N is obtained by the copolymerisation of 1, 3 – butadiene and acrylonitrile in the presence of a peroxide catalyst.
It is resistant to the action of petrol, lubricating oil and organic solvents. It is used in making oil seals, tank lining, etc.
Intext Questions
15.5 Explain the difference between Buna-N and Buna-S.
15.6 Arrange the following polymers in increasing order of their intermolecular forces.
(i) Nylon 6,6, Buna-S, Polythene.
(ii) Nylon 6, Neoprene, Polyvinyl chloride.
15.3 Molecular Mass of Polymers
Polymer properties are closely related to their molecular mass, size and structure. The growth of the polymer chain during their synthesis is dependent upon the availability of the monomers in the reaction mixture. Thus, the polymer sample contains chains of varying lengths and hence its molecular mass is always expressed as an average. The molecular mass of polymers can be determined by chemical and physical methods.
15.4 Biodegradable Polymers
A large number of polymers are quite resistant to the environmental degradation processes and are thus responsible for the accumulation of polymeric solid waste materials. These solid wastes cause acute environmental problems and remain undegraded for quite a long time. In view of the general awareness and concern for the problems created by the polymeric solid wastes, certain new biodegradable synthetic polymers have been designed and developed. These polymers contain functional groups similar to the functional groups present in biopolymers.
Aliphatic polyesters are one of the important classes of biodegradable polymers. Some important examples are given below:
1. Poly β -hydroxybutyrate – co-β-hydroxy valerate (PHBV)
It is obtained by the copolymerisation of 3-hydroxybutanoic acid and 3 – hydroxypentanoic acid. PHBV is used in speciality packaging, orthopaedic devices and in controlled release of drugs. PHBV undergoes bacterial degradation in the environment.
2. Nylon 2–nylon 6
It is an alternating polyamide copolymer of glycine (H2N–CH2–COOH) and amino caproic acid [H2N(CH2)5COOH] and is biodegradable. Can you write the structure of this copolymer?
15.5 Polymers of Commercial Importance
Besides, the polymers already discussed, some other commercially important polymers along with their structures and uses are given below in Table 15.1.
Summary
Polymers are defined as high molecular mass macromolecules, which consist of repeating structural units derived from the corresponding monomers. These polymers may be of natural or synthetic origin and are classified in a number of ways.
In the presence of an organic peroxide initiator, the alkenes and their derivatives undergo addition polymerisation or chain growth polymerisation through a free radical mechanism. Polythene, teflon, orlon, etc. are formed by addition polymerisation of an appropriate alkene or its derivative. Condensation polymerisation reactions are shown by the interaction of bi – or poly functional monomers containing – NH2, – OH and – COOH groups. This type of polymerisation proceeds through the elimination of certain simple molecules as H2O, CH3OH, etc. Formaldehyde reacts with phenol and melamine to form the corresponding condensation polymer products. The condensation polymerisation progresses through step by step and is also called as step growth polymerisation. Nylon, bakelite and dacron are some of the important examples of condensation polymers. However, a mixture of two unsaturated monomers exhibits copolymerisation and forms a co-polymer containing multiple units of each monomer. Natural rubber is a cis 1, 4-polyisoprene and can be made more tough by the process of vulcanisation with sulphur. Synthetic rubbers are usually obtained by copolymerisation of alkene and 1, 3 butadiene derivatives.
In view of the potential environmental hazards of synthetic polymeric wastes, certain biodegradable polymers such as PHBV and Nylon-2- Nylon-6 are developed as alternatives.
Exercises
15.1 Explain the terms polymer and monomer.
15.2 What are natural and synthetic polymers? Give two examples of each type.
15.3 Distinguish between the terms homopolymer and copolymer and give an example of each.
15.4 How do you explain the functionality of a monomer?
15.5 Define the term polymerisation.
15.6 Is ( NH-CHR-CO )n, a homopolymer or copolymer?
15.7 In which classes, the polymers are classified on the basis of molecular forces?
15.8 How can you differentiate between addition and condensation polymerisation?
15.9 Explain the term copolymerisation and give two examples.
15.10 Write the free radical mechanism for the polymerisation of ethene.
15.11 Define thermoplastics and thermosetting polymers with two examples of each.
15.12 Write the monomers used for getting the following polymers.
(i) Polyvinyl chloride (ii) Teflon (iii) Bakelite
15.13 Write the name and structure of one of the common initiators used in free radical addition polymerisation.
15.14 How does the presence of double bonds in rubber molecules influence their structure and reactivity?
15.15 Discuss the main purpose of vulcanisation of rubber.
15.16 What are the monomeric repeating units of Nylon-6 and Nylon-6,6?
15.17 Write the names and structures of the monomers of the following polymers:
(i) Buna-S
(ii) Buna-N
(iii) Dacron
(iv) Neoprene
15.18 Identify the monomer in the following polymeric structures.
15.19 How is dacron obtained from ethylene glycol and terephthalic acid ?
15.20 What is a biodegradable polymer ? Give an example of a biodegradable aliphatic polyester.
Answers of Some Intext Questions
15.1 Polymers are high molecular mass substances consisting of large numbers of repeating structural units. They are also called as macromolecules. Some examples of polymers are polythene, bakelite, rubber, nylon 6, 6, etc.
15.2 On the basis of structure, the polymers are classified as below:
(i)Linear polymers such as polythene, polyvinyl chloride, etc.
(ii)Branched chain polymers such as low density polythene.
(iii)Cross linked polymers such as bakelite, melamine, etc.
15.3(i) Hexamethylene diamine and adipic acid.
(ii) Caprolactam.
(iii) Tetrafluoroethene.
15.4 Addition polymers: Polyvinyl chloride, Polythene.
Condensation polymers: Terylene, Bakelite.
15.5 Buna-N is a copolymer of 1,3-butadiene and acrylonitrile and Buna-S is a copolymer of 1,3-butadiene and styrene.
15.6 In order of increasing intermolecular forces.
(i) Buna-S, Polythene, Nylon 6,6.
(ii) Neoprene, Polyvinyl chloride, Nylon 6.
I. Multiple Choice Questions (Type-I)
1. Which of the following polymers of glucose is stored by animals?
(i) Cellulose
(ii) Amylose
(iii) Amylopectin
(iv) Glycogen
2. Which of the following is not a semisynthetic polymer?
(i) cis-polyisoprene
(ii) Cellulose nitrate
(iii) Cellulose acetate
(iv) Vulcanised rubber
3. The commercial name of polyacrylonitrile is ______________.
(i) Dacron
(ii) Orlon (acrilan)
(iii) PVC
(iv) Bakelite
4. Which of the following polymer is biodegradable?
5. In which of the following polymers ethylene glycol is one of the monomer units?
6. Which of the following statements is not true about low density polythene?
(i) Tough
(ii) Hard
(iii) Poor conductor of electricity
(iv) Highly branched structure
7.
8. Which of the following polymer can be formed by using the following monomer unit?
(i) Nylon 6, 6
(ii) Nylon 2–nylon 6
(iii) Melamine polymer
(iv) Nylon-6
II. Multiple Choice Questions (Type-II)
Note : In the following questions two or more options may be correct.
9. Which of the following polymers, need atleast one diene monomer for their preparation?
(i) Dacron
(ii) Buna-S
(iii) Neoprene
(iv) Novolac
10. Which of the folloiwng are characteristics of thermosetting polymers?
(i) Heavily branched cross linked polymers.
(ii) Linear slightly branched long chain molecules.
(iii) Become infusible on moulding so cannot be reused.
(iv) Soften on heating and harden on cooling, can be reused.
11. Which of the following polymers are thermoplastic?
(i) Teflon
(ii) Natural rubber
(iii) Neoprene
(iv) Polystyrene
12. Which of the following polymers are used as fibre?
(i) Polytetrafluoroethane
(ii) Polychloroprene
(iii) Nylon
(iv) Terylene
13. Which of the following are addition polymers?
(i) Nylon
(ii) Melamine formaldehyde resin
(iii) Orlon
(iv) Polystyrene
14. Which of the following polymers are condensation polymers?
(i) Bakelite
(ii) Teflon
(iii) Butyl rubber
(iv) Melamine formaldehyde resin
15. Which of the following monomers form biodegradable polymers?
(i) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid
(ii) Glycine + amino caproic acid
(iii) Ethylene glycol + phthalic acid
(iv) Caprolactum
16. Which of the following are example of synthetic rubber?
(i) Polychloroprene
(ii) Polyacrylonitrile
(iii) Buna-N
(iv) cis-polyisoprene
17. Which of the following polymers can have strong intermolecular forces?
(i) Nylon
(ii) Polystyrene
(iii) Rubber
(iv) Polyesters
18. Which of the following polymers have vinylic monomer units?
(i) Acrilan
(ii) Polystyrene
(iii) Nylon
(iv) Teflon
19. Vulcanisation makes rubber ______________.
(i) more elastic
(ii) soluble in inorganic solvent
(iii) crystalline
(iv) more stiff
III. Short Answer Type
20. A natural linear polymer of 2-methyl-1, 3-butadiene becomes hard on treatment with sulphur between 373 to 415 K and —S—S— bonds are formed between chains. Write the structure of the product of this treatment?
21. Identify the type of polymer.
—A—A—A—A—A—A—
22. Identify the type of polymer.
—A—B—B—A—A—A—B—A—
23. Out of chain growth polymerisation and step growth polymerisation, in which type will you place the following.
24. Identify the type of polymer given in the following figure.
25. Identify the polymer given below :
26. Why are rubbers called elastomers?
27. Can enzyme be called a polymer?
28. Can nucleic acids, proteins and starch be considered as step growth polymers?
29. How is the following resin intermediate prepared and which polymer is formed by this monomer unit?
30. To have practical applications why are cross links required in rubber?
31. Why does cis-polyisoprene possess elastic property?
32. What is the structural difference between HDP and LDP? How does the structure account for different behaviour and nature, hence the use of a polymer?
33. What is the role of benzoyl peroxide in addition polymerisation of alkenes? Explain its mode of action with the help of an example.
34. Which factor imparts crystalline nature to a polymer like nylon?
35. Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
36. Which type of biomolecules have some structural similarity with synthetic polyamides? What is this similarity?
37. Why should the monomers used in addition polymerisation through free radical pathway be very pure?
IV. Matching Type
Note : Match the items of Column I with the items in Column II.
38. Match the polymer of column I with correct monomer of column II.
| Column I | Column II | ||
| (i) | High density polythene | (a) | Isoprene |
| (ii) | Neoprene | (b) | Tetrafluoroethene |
| (iii) | Natural rubber | (c) | Chloroprene |
| (iv) | Teflon | (d) | Acrylonitrile |
| (v) | Acrilan | (e) | Ethene |
39. Match the polymers given in Column I with their chemical names given in Column II.
| Column I | Column II | ||
| (i) | Nylon 6 | (a) | Polyvinyl chloride |
| (ii) | PVC | (b) | Polyacrylonitrile |
| (iii) | Acrilan | (c) | Polycaprolactum |
| (iv) | Natural rubber | (d) | Low density polythene |
| (v) | LDP | (e) | cis-polyisoprene |
40. Match the polymers given in Column I with their commercial names given in Column II.
| Column I | Column II | ||
| (i) | Polyester of glycol and phthalic acid | (a) | Novolac |
| (ii) | Copolymer of 1, 3-butadiene and styrene | (b) | Glyptal |
| (iii) | Phenol and formaldehyde resin | (c) | Buna-S |
| (iv) | Polyester of glycol and terephthalic acid | (d) | Buna-N |
| (v) | Copolymer of 1, 3-butadiene and acrylonitrile | (e) | Dacron |
41. Match the polymers given in Column I with their main applications given in Column II.
| Column I | Column II | ||
| (i) | Bakelite | (a) | Unbreakable crockery |
| (ii) | Low density polythene | (b) | Non-stick cookwares |
| (iii) | Melamine-formaldehyde resin | (c) | Packaging material for shock absorbance |
| (iv) | Nylon 6 | (d) | Electrical switches |
| (v) | Polytetrafluoroethane | (e) | Squeeze bottles |
| (vi) | Polystyrene | (f) | Tyre, cords |
42. Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers.
| Column I | Column II | ||
| (i) | Nylon-6,6 | (a) | Free radical polymerisation |
| (ii) | PVC | (b) | Ziegler-Natta polymerisation or coordination polymerisation |
| (iii) | HDP | (c) | Anionic polymerisation |
| (d) | Condensation polymerisation |
43. Match the polymers given in Column I with the type of linkage present in
them given in Column II.
| Column I | Column II | ||
| (i) | Terylene | (a) | Glycosidic linkage |
| (ii) | Nylon | (b) | Ester linkage |
| (iii) | Cellulose | (c) | Phosphodiester linkage |
| (iv) | Protein | (d) | Amide linkage |
| (v) | RNA |
44. Match materials given in Column I with the polymers given in Column II.
| Column I | Column II | ||
| (i) | Natural rubber latex | (a) | Nylon |
| (ii) | Wood laminates | (b) | Neoprene |
| (iii) | Ropes and fibres | (c) | Dacron |
| (iv) | Polyester fabric | (d) | Melamine formaldehyde resins |
| (v) | Synthetic rubber | (e) | Urea-formaldehyde resins |
| (vi) | Unbreakable crockery | (f) | cis-polyisoprene |
45. Match the polymers given in Column I with their repeating units given in Column II.
V. Assertion and Reason Type
Note : In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
(i) Assertion and reason both are correct statement but reason does not explain assertion.
(ii) Assertion and reason both are correct statements and reason explains the assertion.
(iii) Both assertion and reason are wrong statement.
(iv) Assertion is correct statement and reason is wrong statement.
(v) Assertion is wrong statement and reason is correct statement.
46. Assertion : Rayon is a semi synthetic polymer and is taken as a better choice than cotton fabric.
Reason : Mechanical and aesthetic properties of cellulose can be improved by acetylation.
47. Assertion : Most of the Synthetic polymers are not biodegradable.
Reason : Polymerisation process induces toxic character in organic molecules.
48. Assertion : Olefinic monomers undergo addition polymerisation.
Reason : Polymerisation of vinylchloride is initiated by peroxides/persulphates.
49. Assertion : Polyamides are best used as fibres because of high tensile strength.
Reason : Strong intermolecular forces (like hydrogen bonding within polyamides) lead to close packing of chains and increase the crystalline character, hence, provide high tensile strength to polymers.
50. Assertion : For making rubber synthetically, isoprene molecules are polymerised.
Reason : Neoprene (a polymer of chloroprene) is a synthetic rubber.
51. Assertion : Network polymers are thermosetting.
Reason : Network polymers have high molecular mass.
52. Assertion : Polytetrafluoroethene is used in making non-stick cookwares.
Reason : Fluorine has highest electronegativity.
VI. Long Answer Type
53. Synthetic polymers do not degrade in the environment for a long time. How can biodegradable synthetic polymers be made. Differentiate between biopolymers and biodegradable polymers and give examples of each type.
54. Differentiate between rubbers and plastics on the basis of intermolecular forces.
55. Phenol and formaldehyde undergo condensation to give a polymar (A) which on heating with formaldehyde gives a thermosetting polymer (B). Name the polymers. Write the reactions involved in the formation of (A). What is the
structural difference between two polymers?
56. Low density polythene and high density polythene, both are polymers of ethene but there is marked difference in their properties. Explain.
57. Which of the following polymers soften on heating and harden on cooling? What are the polymers with this property collectively called? What are the structural similarities between such polymers? Bakelite, urea-formaldehyde resin, polythene, polyvinyls, polystyrene.
ANSWERS
I. Multiple Choice Questions (Type-I)
1. (iv) 2. (i) 3. (ii) 4. (iv) 5. (i) 6. (iii) 7. (i) 8. (iv)
II. Multiple Choice Questions (Type-II)
9. (ii), (iii) 10. (i), (iii) 11. (i), (iv) 12. (iii), (iv) 13. (iii), (iv) 14. (i), (iv)
15. (i), (ii) 16. (i), (iii) 17. (i), (iv) 18. (i), (ii), (iv) 19. (i), (iv)
III. Short Answer Type
20. Vulcanised rubber. For structure see Class XII NCERT textbook.
21. Homopolymer
22. Copolymer
23. Chain growth polymerisation
24. Cross-linked polymer
25. Polyisoprene/Natural rubber
26. Rubbers are stretched on application of force and regain original state after the force is removed. Therefore these are called elastomers.
27. Enzymes are biocatalysts which are proteins and are thus polymers.
28. [Hint : Yes, step growth polymers are condensation polymers and they are formed by the loss of simple molecule like water leading to the formation of high molecular mass polymers.]
29. Melamine and formaldehyde are starting materials for this intermediate. Its polymerisation gives melamine polymer.
30. Cross links bind the planar polymer sheets thus increasing its elastomeric properties.
31. See Class XII, NCERT text book, page no.434.
32. See Class-XII NCERT textbook, page no. 429-30.
33. See Class-XII NCERT textbook, page no. 428.
34. Strong intermolecular forces like hydrogen-bonding, lead to close packing of chains that imparts crystalline character.
35. Urea formaldehyde resins. Monomer units are urea and formaldehyde.
36. Proteins. Polyamides and proteins both contain amide linkage.
37. Pure monomers are required because even the traces of impurities may act like inhibitors which leads to the formation of polymers with shorter chain length.
IV. Matching Type
38. (i) → (e) (ii) → (c) (iii) → (a) (iv) → (b) (v) → (d)
39. (i) → (c) (ii) → (a) (iii) → (b) (iv) → (e) (v) → (d)
40. (i) → (b) (ii) → (c) (iii) → (a) (iv) → (e) (v) → (d)
41. (i) → (d) (ii) → (e) (iii) → (a) (iv) → (f) (v) → (b) (vi) → (c)
42. (i) → (d) (ii) → (a) (iii) → (b)
43. (i) → (b) (ii) → (d) (iii) → (a) (iv) → (d) (v) → (c)
44. (i) → (f) (ii) → (e) (iii) → (a) (iv) → (c) (v) → (b) (vi) → (d)
45. (i) → (d) (ii) → (a) (iii) → (b) (iv) → (e) (v) → (c)
V. Assertion and Reason Type
46. (ii) 47. (iv) 48. (i) 49. (ii) 50. (v) 51. (i) 52. (i)
VI. Long Answer Type
53. See NCERT textbook for Class XII.
54. See NCERT textbook for Class XII.
55. ‘A’ is novolac, ‘B’ is bakelite.
56. Hint : Low density and high density polythenes are obtained under different conditions. These differ in their structural features. Low densitypolythenes are highly branched structures while high density polytheneconsists of closely packed linear molecules. Close packing increases thedensity.
57. Hint : Polythene, polyvinyls and polystyrene soften on heating and harden on cooling. Such polymers are called thermoplastic polymers. These polymers are linear or slightly branched long chain molecules. These possess intermolecular forces whose strength lies between strength of intermolecular forces of elastomers and fibres.
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!
Simplified Knowledge Management Classes
Must see https://zookeepersblog.wordpress.com/some-points-which-i-wish-all-my-new-prospective-students-know/
🙂
Do you want to make money working at home ?
see http://skmclasses.weebly.com/jobs.html
–
search for videos in http://www.skmclasses.kinja.com
you will get most videos. I say most because I do not upload all videos that I make. I have many more videos which are not in the net.
http://skmclasses.wordpress.com/accolades-and-appreciations-received-from-students-and-parents/
http://skmclasses4olympiads.wordpress.com/
http://iitjee.wix.com/skmclasses
http://skmclasses4olympiads.wordpress.com/
https://skmclasses.wordpress.com/cbse-standard-12-chemistry-polymers-chapter-15-ncert/
http://skmclasses4olympiads.wordpress.com/
http://iitjee.wix.com/skmclasses
https://skmclasses.wordpress.com/complex-number-for-iit-jee-cbse-from-skm-classes-south-bangalore/
http://skmclasses.wordpress.com/complex-number-for-iit-jee-cbse-from-skm-classes-south-bangalore/
http://iitjee.wix.com/skmclasses
http://skmclasses.wordpress.com/circular-motion-problems-for-iit-jee-cbse-from-skm-classes/
http://skmclasses4olympiads.wordpress.com/
http://skmclasses.wordpress.com/combinatorics-permutation-combination-for-iit-jee-cbse/
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The following Videos are available for you ( As of Now ). These explain tricky Physics and Mathematics Numericals.
Eventually I will try to give Videos for full course here for you.
These covers PU ( Pre University courses, school / college ) courses, IIT JEE, AIEEE ( All India Engineering Entrance Examination ) , CET ( Combined Engineering Test ), AIPMT ( All India Pre Medical Test ), ISc ( Intermediate Science / Indian School Certificate Exam ), CBSE ( Central Board Secondary Exam ), Roorkey Joint Entrance Test Questions ( Discontinued since 2002 ), APhO ( Asian Physics Olympiad ), IPhO ( International Physics Olympiad ), IMO ( International Mathematics Olympiad ) , NSEP ( National Standard Exam in Physics ), RMO ( Regional Math Olympiad , India ), INMO ( Indian National Maths Olympiad ), Irodov Solutions, Prof. H C Verma ( Concepts of Physics ) Solutions etc.
( You can see the history of Indian Participation in various Olympiads at ->
https://zookeepersblog.wordpress.com/indian-participation-in-ipho-icho-ibo-and-astronomy-olympiad/ )
[ In each of these videos there is at-least 1 or more errors. Please tell me about those ]
search for videos in http://www.skmclasses.kinja.com
You should get to see all the Uploaded videos. Though we have many more study videos.
Thanks and Regards
Zookeeper ;-D Subhashish Chattopadhyay
[ I suggest you see the videos starting with 1- first then starting with 2- ….. in that sequence. ]
[ Tell your friends about this link if you liked the videos ]
In case of doubts or suggestions, Please send me email at mokshya@gmail.com
search for videos in http://www.skmclasses.kinja.com
Answers to -> Frequently Asked Questions ( FAQ ) [ commonly asked intelligent Questions 🙂 ]
1 ) How do I prepare for IIT ?
Ans : – See the videos made by me ( search for videos in http://www.skmclasses.kinja.com
Though we have many more which have not been uploaded ). While watching the videos, take notes and try to solve the problems yourself by pausing the video. Tell me if any calculation is wrong. See the videos with 1- first then 2- and so on. Write to IAPT Kothrud, Pune office to buy ( 150 Rs approx ) the book with previous papers of NSEP ( National Standard Exam in Physics – The 1st level ), INPhO ( Indian National Physics Olympiad – 2nd level ). Prepare with these and see how much you are scoring. You can guess your ALL INDIA rank easily from NSEP, and INPhO rank. Since 1998 the IIT JEE toppers have been mostly representing India in IPhO.
2 ) Which codec and Player do I use to see the videos ?
Ans : – You can use GOM Player, or VLC Player. You have to have good speakers with filters or good earphones with filters. We have checked mostly it is OK with these. ( If you are depending only on your embedded speakers of computer /screen / keyboard then there may be extra distortions. As these speakers are often not of good Quality. Also install latest KL Codecs ) In any case reduce the volume see the board, imagine sitting in the last bench and solving the problems of your own. See if your solution differs anywhere with the scribbles on the board.
3 ) Why are you giving these ( high Quality ) lecture for free ?
Ans : Well there are lot of good things free in this world. Linux, My-SQL, Open-Office ….. Go to sourceforge and get thousands of high quality software free along with source code. Yes all officially free …. Why do you think Richard Stallman, Zimmerman, ….. etc are considered Guru philosophers ? In Punjab and Gurudwaras worldwide there are so many Langars where you get better food than Restaurants. ….. why ? Why do you have Dharmasalas and subsidized rest rooms near hospitals / Famous Temples / various places ? in Iftar party anyone can eat for free …. why ?
I am teaching since 1989 I have observed most students can do much better if they have the self motivation to solve and practice. Cheap books are available in second hand bookstalls, where you get thousands of Numericals to solve ….. but most students will like to blow their time going and coming for tuition, travel time …. TV for hours and hours watching cricket / Tennis games, playing computer games …. My free lectures are not going to make much difference in spending of unnecessary money for coaching ….. I know very well , how much people enjoy …. ! spending unnecessarily !!
–
Do you know that there are NO poor / needy students in Bangalore.
–
Sometime back I had tried to teach for IIT JEE FREE. Discussed with a few NGOs and social service guys. Arranged rooms but got only 1 student. We had informed many people in many ways to inform students …. We did not get students who are ready to learn for free. So I am sure these lectures are NOT FREE. If anyone learns from these, s/he changes and that’s the gain / benefit. This change ( due to learning ) is very costly …. Most do not want to learn ………..
search for videos in http://www.skmclasses.kinja.com
You will get most videos. I say most because I do not upload all videos that I make. I have many more videos which are not in the net.
🙂
4 ) How can I get all your lectures ?
Ans : – Apart from my lectures there are approx 700 GB of PCM ( Phy, Chem, Math ) lectures. It takes approx 3 years of continuous download from scattered sources. I have ( 20,000 )Thousands of these. You can take ALL of them from me in an external 1 TB hard disk, instead of spending so much money and time again for downloading. These cover ( by Various Professors ) everything of Chemistry, Physics, Maths… Lot of this is from outside India … as foreigners have much wider heart than Indians ( as most of GNU / open source software have been developed by Non-Indians ). I observed the gaps in these videos, and thus I am solving IIT, APhO, Roorkey, IPhO Numericals. Videos made by me along with these videos gives a complete preparation.
Send me a mail at mokshya@gmail.com to contact me.
search for videos in http://www.skmclasses.kinja.com
You will get most videos. I say most because I do not upload all videos that I make. I have many more videos which are not in the net.
🙂
5 ) How do you get benefited out of this ?
Ans :- If anyone learns we all will have better people in this world. I will have better “ YOU “.
🙂
6 ) Why do you call yourself a Zookeeper ?
Ans :- This is very nicely explained at https://zookeepersblog.wordpress.com/z00keeper-why-do-i-call-myself-a-zoookeeper/
🙂
7 ) Where do you stay ?
Ans :- Presently I am in Bangalore.
🙂
8 ) If I need videos in a few topics can you make them for me ?
Ans :- We actively answers doubts at doubtpoint.
see http://skmclasses.weebly.com/doubtpoint.html
In case you appreciate our time and efforts involved in answering complicated Questions, then get Quality answers at doubtpoint.
🙂
9 ) Why did you write an article saying there are No Poor students ?
Ans :- There are lots of NGOs and others working for rural / poor children education at lower classes. While very less effort is on for std 9 till 12. Also see the answer in question number ( 3 ) above. In more than 2 decades of teaching I never met a Poor child who was seriously interested in ( higher ) studies. As I have a mind / thinking of a ” Physicist “, I go by ” Experimental Observation “.
It is not about what is being said about poor in media / TV etc, or ” what it should be ” ( ? ) …. It is about what I see happening. Also to add ( confuse ? you more )…. You must be knowing that in several states over many years now girl students have better ( by marks as well as by pass percentage ) result in std 10 / Board Exams….. well but NEVER a girl student came FIRST in IIT JEE … why ? [ The best rank by a Girl student is mostly in 2 digits, very rarely in single digit ] ????? So ????
🙂
10 ) How much do I have to study to make it to IIT ?
Ans :- My experience of Teaching for IIT JEE since 1989, tells me, Total 200 hours per subject ( PCM ) is sufficient. If you see my Maths and Physics videos, each subject is more than 200 hours. So if someone sees all the videos diligently, takes notes and remembers, …… Done.
🙂
11 ) What is EAMCET ?
Ans :- Engineering Agriculture and Medicine Common Entrance Test is conducted by JNT University Hyderabad on behalf of APSCHE. This examination is the gateway for entry into various professional courses offered in Government/Private Colleges in Andhra Pradesh.
12 ) In your videos are you covering other Exams apart from IIT ?
Ans : – Yes. See many videos made by solving problems of MPPET, Rajasthan / J&K CET, UPSEAT ( UPES Engineering Aptitude Test ), MHCET, BCECE ( Bihar Combined Entrance Competitive Examination Board ), WB JEE etc
🙂
13 ) What is SCRA ?
Ans : – Special Class Railway Apprentice (SCRA) exam is conducted by Union Public Service Commission (UPSC) board, for about 10 seats.That translates into an astonishing ratio of 1 selection per 10,000 applicants. The SCRA scheme was started in 1927 by the British, to select a handful of most intelligent Indians to assist them in their Railway Operations, after training at their Railway’s largest workshop, i.e. Jamalpur Workshop, and for one year in United Kingdom. The selected candidates were required to appear in the Mechanical Engineering Degree Examination held by Engineering Council (London).
Thanks for your time. To become my friend in google+ ( search me as mokshya@gmail.com and send friend request )
Read http://edge.org/responses/what-scientific-concept-would-improve-everybodys-cognitive-toolkit
🙂
The following video is a must see for full CO2 cycle, plates of Earth, Geological activities, stability of weather
http://www.youtube.com/watch?v=oIuoNtRBG4w
🙂
Article in Nature says CO2 increase is good for the trees
http://thegwpf.org/science-news/6086-co2-is-greening-the-planet-savannahs-soon-to-be-covered-by-forests.html
🙂
http://climaterealists.com/index.php?id=9752
BBC documentary Crescent and Cross shows the 1000 years of fight between Christians and Muslims. Millions have been killed in the name of Religion. To decided whose GOD is better, and which GOD to follow. The fight continues.
–
Summary of Women
🙂
The Virus of Faith
http://www.youtube.com/watch?v=scarHc8RA0g
🙂
The God delusion
http://www.youtube.com/watch?v=LVr9bJ8Sctk
🙂
cassiopeia facts about evolution
–
Intermediate Fossil records shown and explained nicely Fossils, Genes, and Embryos http://www.youtube.com/watch?v=fdpMrE7BdHQ
The Rise Of Narcissism In Women
http://www.youtube.com/watch?v=wZHKCbHGlS0
🙂
13 type of women whom you should never court
http://timesofindia.indiatimes.com/life-style/relationships/man-woman/13-Women-you-should-never-court/articleshow/14637014.cms
🙂
Media teaching Misandry in India http://www.youtube.com/watch?v=-M2txSbOPIo
Summary of problems with women
http://problemwithwomentoday.blogspot.in/2009/12/problem-with-women-today-what-in-hell.html
🙂
Eyeopener men ? women only exists
http://www.youtube.com/watch?v=6ZAuqkqxk9A
🙂
Most unfortunate for men
http://www.youtube.com/watch?v=73fGqUwmOPg
Each of you is an Activist in some way or other. You are trying to propagate those thoughts, ideas that you feel concerned / excited about.
–
Did you analyze your effectiveness ?
http://www.youtube.com/watch?v=61qn7S9NCOs
Culturomics can help you
😀
see how biased women are. Experimental proof. Women are happy when they see another woman is beating a man ( see how women misbehave with men )
🙂
http://www.youtube.com/watch?v=LlFAd4YdQks
–
see detailed statistics at
http://www.youtube.com/watch?v=5lHmCN3MBMI
An eye opener in Misandry
http://www.youtube.com/watch?v=YiTaDS_X6CU
My sincere advice would be to be EXTREMELY careful ( and preferably away ) of girls. As girls age; statistically certain behavior in them has been observed. Most Male can NOT manage those behaviors… Domestic violence, divorce etc are rising very fast. Almost in all cases boys / males are HUGE loosers. Be extremely choosy ( and think from several angles ) before even talking to a girl.
🙂
https://zookeepersblog.wordpress.com/save-the-male/
🙂
How women manipulate men
http://www.angryharry.com/esWomenManipulateMen.htm
Gender Biased Laws in India
https://zookeepersblog.wordpress.com/biased-laws/
🙂
Violence against Men
http://www.youtube.com/watch?v=MLS2E-rRynE
🙂
Only men are victimised
http://www.youtube.com/watch?v=4JA4EPRbWhQ
Men are BETTER than women
http://www.menarebetterthanwomen.com/
🙂
see http://www.youtube.com/watch?&v=T0xoKiH8JJM#!
🙂
Male Psychology http://www.youtube.com/watch?v=uwxgavf2xWE
Women are more violent than men
http://www.independent.co.uk/news/uk/home-news/women-are-more-violent-says-study-622388.html
🙂
In the year 2010, 168 men ended their lives everyday ( on average ). More husbands committed suicide than wives.
🙂
http://www.rediff.com/news/report/ncrb-stats-show-more-married-men-committing-suicide/20111028.htm
It is EXTREMELY unfortunate that media projects men as fools, women as superiors, Husbands as servants, and replaceable morons. In ad after ad worldwide from so many companies, similar msg to disintegrate the world is being bombarded. It is highly unacceptable misandry
🙂
http://www.youtube.com/watch?v=oq14WHkFq30
It is NOT at all funny that media shows violence against MEN. Some advertisers are trying to create a new ” Socially acceptable culture ” of slapping Men ( by modern city women ). We ( all men ) take objection to these advertisements.
We oppose this Misandry bad culture. Please share to increase awareness against Men bashing
🙂
http://www.youtube.com/watch?v=D8ecN2rh0uU
Think what are you doing … why are you doing ?
http://www.youtube.com/watch?v=qp0HIF3SfI4
Every Man must know this …
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Manginas, White Knights, & Other Chivalrous Dogs
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skmclasses.weebly.com String Models CP violation Electromagnetic Processes skmclasses.weebly.com Properties GUT Heavy Quark Higgs Kaon LEP HERA skmclasses.weebly.com SLC Neutrino Physics Quark Masses skmclasses.weebly.comSM Parameters Rare Decays Standard Model Supersymmetric Standard Model Technicolor skmclasses.weebly.com Composite Models Chiral Lagrangians Deep Inelastic Scattering Higher Twist Effects Lattice QCD Parton Model Phase Diagram QCD Phenomenological Models QCD Quark-Gluon Plasma Resummation Sum Rules Aim Global Education Koramangala Computer Networking Training Cloud Computing Training JBOSS Training Juniper Certification Training L2 & L3 Protocol Training MCTS Training Engineering design Training CAD & CAM Training MATLAB Training PLC Training SCADA Training VLSI Design Multimedia & Design Training 2D Animation Training 3D Animation Training 4D Animation Training CorelDRAW Training VFX Training Web Technologies Training ASP.Net Training JQuery pair breaking formation 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delocalised electrons, bonded together strong metallic bonds greenhouse effect process IITJEE SKMClasses.weebly.com absorption subsequent emission infrared radiation atmospheric gases warms lower atmosphere planet’s surface group vertical column Periodic Table Elements group IITJEE SKMClasses.weebly.com similar chemical properties skmclasses.weebly.com atoms skmclasses.weebly.comnumber outer shell electrons Hess law reaction IITJEE SKMClasses.weebly.com one route skmclasses.weebly.com initial final conditions IITJEE SKMClasses.weebly.com skmclasses.weebly.com total enthalpy change skmclasses.weebly.com skmclasses.weebly.com route heterogeneous catalysis reaction IITJEE SKMClasses.weebly.com catalyst IITJEE skmclasses.weebly.com different physical state reactants; frequently, reactants IITJEE SKMClasses.weebly.com gases whilst catalyst solid heterolytic fission breaking covalent bond IITJEE SKMClasses.weebly.com both bonded electrons going IITJEE SKMClasses.weebly.com one atoms, forming 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donates pair electrons IITJEE SKMClasses.weebly.com new covalent bond oxidation Loss electrons IITJEE SKMClasses.weebly.com increase oxidation number oxidation number measure number electrons IITJEE SKMClasses.weebly.com IITJEE SKMClasses.weebly.com atom uses bond IITJEE SKMClasses.weebly.com atoms another element. 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Repeat units IITJEE SKMClasses.weebly.com included brackets outside IITJEE SKMClasses.weebly.com symbol n Salt chemical compound formed IITJEE SKMClasses.weebly.com IITJEE SKMClasses.weebly.com acid IITJEE SKMClasses.weebly.com H+ ion acid IITJEE skmclasses.weebly.com been replaced metal ion another positive ion such IITJEE skmclasses.weebly.com ammonium ion, NH saturated hydrocarbon IITJEE SKMClasses.weebly.com single bonds only shell group atomic orbitals IITJEE SKMClasses.weebly.com skmclasses.weebly.com principal quantum number known main energy level simple molecular lattice three dimensional structure molecules, bonded together weak intermolecular forces skeletal formula simplified organic formula, IITJEE SKMClasses.weebly.com hydrogen atoms removed alkyl chains, leaving carbon skeleton skmclasses.weebly.com associated functional groups species particle IITJEE SKMClasses.weebly.com part chemical reaction specific heat capacity, c energy IITJEE SKMClasses.weebly.com raise temperature 1 g substance 1 C spectator ions Ions present part chemical reaction standard conditions pressure 100 kPa 1 atmosphere stated temperature usually 298 K (25 °C), skmclasses.weebly.com concentration 1 mol dm reactions aqueous solutions standard enthalpies enthalpystandard solution solution known concentration Standard solutions normally IITJEE SKMClasses.weebly.com titrations IITJEE SKMClasses.weebly.com determine unknown information another substance Chemistry standard state physical state substance under standard conditions 100 kPa 1 atmosphere) skmclasses.weebly.com 298 K 25 C stereoisomers Compounds skmclasses.weebly.com structural formula IITJEE SKMClasses.weebly.com different arrangement atoms space stoichiometry molar relationship IITJEE SKMClasses.weebly.com relative quantities substances part reaction stratosphere second layer Earth’s atmosphere, containing ‘ozone layer’, about 10 km IITJEE SKMClasses.weebly.com 50 km above Earth’s surface structural formula formula showing minimal detail skmclasses.weebly.com arrangement atoms molecule structural isomers Molecules IITJEE SKMClasses.weebly.com skmclasses.weebly.com molecular formula different structural arrangements atoms subshell group skmclasses.weebly.com type atomic orbitals s, p, d f within shell substitution reaction reaction IITJEE SKMClasses.weebly.com atom group atoms replaced different atom group atoms termination step end radical substitution IITJEE SKMClasses.weebly.com two radicals combine IITJEE SKMClasses.weebly.com molecule thermal decomposition breaking chemical substance IITJEE SKMClasses.weebly.com heat skmclasses least two chemical substances troposphere lowest layer Earth’s atmosphere extending Earth’s surface about 7 km (above poles) about 20 km above tropics unsaturated hydrocarbon hydrocarbon containing carbon carbon multiple bonds van der Waals’ forces Very weak attractive forces IITJEE SKMClasses.weebly.com induced dipoles neighbouring molecules volatility ease IITJEE 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Later Sri Kumaran Children’s Home Survey No 44 – 50, Mallasandra Village Uttarahalli Hobli, Off Kanakapura Main Road, Bangalore skmclasseslocality namedIITJEE SKMClasses.weebly.com current DD kendra is situated known IITJEE skmclasses.weebly.com JC Nagar or Jayachamarajendra Nagar Delhi Public School, North Campus Survey No. 35/A, Sathanur Village Jala Hobli, Bangalore Jayanagar IITJEE SKMClasses.weebly.com literally Victory City Jayanagar IITJEE skmclasses.weebly.com traditionally regarded IITJEE skmclasses.weebly.com southern end Bangalore South End Circle “, wherein six roadsIITJEE SKMClasses.weebly.com different areas meet skmclasses.weebly.com historic Ashoka Pillar mark southern end city bear this fact. newer extensions IITJEE SKMClasses.weebly.com taken away this distinctionIITJEE SKMClasses.weebly.com Jayanagar still remains one IITJEE SKMClasses.weebly.com southern parts city Malleshwaram Basavanagudi Malleshwaram north Bangalore, Basavanagudi south IITJEE SKMClasses.weebly.com areas oldest Bangalore skmclasses.weebly.com residents IITJEE SKMClasses.weebly.com original inhabitants City. Malleswaram PSBB Learning Leadership Academy
# 52, Sahasra Deepika Road, Laxmipura Village, Off Bannerghatta Main Road Bangalore located actually north-west Bangalore derives IITJEE SKMClasses.weebly.com name IITJEE SKMClasses.weebly.com famous Kaadu Malleshwara temple 8th Cross in Malleshwaram, skmclasses.weebly.comGandhibazar/ DVG Road in Basavanagudi IITJEE SKMClasses.weebly.com popular areas in Bangalore skmclasses.weebly.comshopping during festival times. Malleswaram been homeIITJEE SKMClasses.weebly.com several important personalities skmclasses.weebly.cominstitutions. Bangalore’s own Nobel laureate, C.V. Raman, late Veena Doreswamy Iyengar skmclasses.weebly.com M.Chinnaswamy cricket stadium is named, academician M.P.L. Sastry, poet G.P. Rajaratnam skmclasses.weebly.com Dewan Seshadri Iyer institutions IITJEE SKMClasses.weebly.com Canara Union club Konkani-speaking people in 1930 IITJEE SKMClasses.weebly.comIITJEE SKMClasses.weebly.com this day hosts a variety cultural activities Malleswaram Association, hub area’s sporting activity since 1929 skmclasses.weebly.com Chowdaiah Memorial hosting great names music skmclasses.weebly.comtheatre. AccordingIITJEE SKMClasses.weebly.com recent figures available IITJEE SKMClasses.weebly.com Bangalore Development Authority BDA Malleswaram’s net population density is 521 personsIITJEE SKMClasses.weebly.com hectare, Bangalore City Corporation standard is 352IITJEE SKMClasses.weebly.com hectare Sadhashivnagar Sadashivanagar arguably IITJEE SKMClasses.weebly.com elite skmclasses.weebly.comexpensive neighborhood in Bangalore India fashionable among politicians, movie starsIITJEE SKMClasses.weebly.com millionaires afford homes “Beverly Hills Bangalore,” having IITJEE SKMClasses.weebly.com address in Sadashivanagar connotes high level prestige success fame Vijayanagar derivesIITJEE SKMClasses.weebly.com nameIITJEE SKMClasses.weebly.com Vijayanagara empire IITJEE SKMClasses.weebly.com flourished in south India during 15th skmclasses.weebly.com16th centuries.Vijayanag ar East is popularly known IITJEE base skmclasses.weebly.com RPC Layout (Railway Parallel Colony Layout), since this layout is along railway track. IITJEE skmclasses.weebly.com recently renamed Hampi Nagar Hampi capital Vijayanagar Empire Vijayanagar houses a large Public Library, IITJEE SKMClasses.weebly.com is one largest in Karnataka Halasuru Halasuru formerly known IITJEE skmclasses.weebly.com Ulsoor oldest neighbourhoods Indian city Bangalore predominant Tamil speaking population renowned skmclasses.weebly.com numerous temples skmclasses.weebly.comrather narrow streets skmclassesprominant areas CityIITJEE SKMClasses.weebly.com Sanjay Nagar skmclasses.weebly.com RT Nagar, Hebbal, Vyalikaval, Yeshwanthpur, Sriramapura, Rajajinagar, Rajarajeshwarinagar, Chickpet, Chamarajpet, V V Puram, Mavalli, Hanumanthanagar, Padmanabhanagar Hosakerehalli Sarakki, BTM Layout, Domlur, Gandhinagar, Vasanthanagar, Vivek Nagar, Cox Town, Frazer Town Benson Town Bangalore Roads Many roads Bangalore had European names South Parade Road, Albert Victor Road, Hardinge Road, Grant Road several roads Bangalore derived Delhi Public School Sarjapur, Bangalore East Survey No.43/1B & 45, Sulikunte Village, Dommasandra Post, Bangalore IITJEE SKMClasses.weebly.com military nomenclature Mahatma Gandhi Road MG Raod called IITJEE skmclasses.weebly.com South Parade Roadskmclasses.weebly.com nomenclature Independence Edify School Electronic City
105, 34th Main, 23rd Cross, Sector-A, Surya Nagar Phase-2, Anekal-Chandapura Main Road, Electronic City Chamarajpet First Main Road named Albert Victor Road 1889 future King Edward VII Englskmclasses.weebly.com renamed Alur Venkatarao Road,IITJEE SKMClasses.weebly.com well-known Kannada writer skmclasses.weebly.comprotagonist unification National Public School, Koramangala National Games Village Koramangala, Bangalore Kannada-speaking areas andlater shortened IITJEE skmclasses.weebly.com A.V. Road. Avenue road earlier known Doddapete Infantry Road became Bhagavan Mahaveer Road 2004 Chamarajendra Park Jyothi Kendriya Vidyalaya Yelachenahalli, Kanakapura Road Bangalore IITJEE skmclasses.weebly.com Cubbon Park IITJEE SKMClasses.weebly.com Sir Mark Cubbon British Commissioner Mysore mid-19th century. Fraser Town, IITJEE SKMClasses.weebly.com named Sir Stuart Fraser scholar tutor Maharaja Krishnaraja Wadiyar IV Pulakeshinagar. Hardinge Road old name Pampa Mahakavi Road. sometime, Cunningham Road crowded bazaar being called Sampangi Ramaswamy Temple Road Race Course Road became Devraj Urs Road National Public School, Rajajinagar 1036-A, Purandarapura, V Block, Rajajinagar, Bangalore skmclasses.weebly.comGrant Road became Vittal Mallya Road IITJEE SKMClasses.weebly.com two Vittal Mallya Roads skmclasses bund Sampangi Tank Kanteerava Stadium Gear Innovative International School GEAR Road, Doddakannelli, Off Sarjapur Road & Outer Ring Road, Bangalore IITJEE SKMClasses.weebly.com built MacIver Town Shantala Nagar Assayee Road Meanee Road those names commemoration wars fought Madras New Horizon Gurukul Ring Road Marathalli, Behind New Horizon College of Engineering, Bangalore , Bangalore IITJEE skmclasses.weebly.com Sappers, BGS National Public School Ramalingeshwara Cave Temple Hulimavu, Bangalore IITJEE SKMClasses.weebly.com Presidency School (Bangalore – East) CA Site 7P1A, 2nd A Main, 3rd A cross, East of NGEF Layout, Kasturinagar, Bangalore British Army against Marathas first decade 19th century Basavanagudi, meaning temple Basava skmclasses.weebly.com big bull situated area reason behind naming area Basavanagudi extension skmclassesformed around 1900. Gandhi Bazar, earlier known merely Angadi Beedhi School Of India Anekal Road, Bannerghatta, Bangalore skmclasses formed Kumarapark came skmclasses existence 1947, year Indian Independence, whereas Jayanagar skmclasses.weebly.comRajajinagarIITJEE SKMClasses.weebly.com thought year later 1948 skmclasses.weebly.com orchards Bangalore Palace skmclasses developed housing colony skmclasses.weebly.comnamed Sadashivanagar 1960,IITJEE SKMClasses.weebly.com Orchids The International School Jalahalli, Nagarbavi, Mysore Road, Sarjapur Road, BTM, Bangalore well-known freedom fighter Dakshina Kannada Karnad Sadashiva Rao BVK Iyengar Road Byappana Halli Byatarayanapura Byrasandra C.V Raman Nagar Cambridge Layout Cambridge Road Cantonment Carmelaram Castle Street Central Street Chamarajapet Shanthi Theatre South End Circle INOX Shree Garuda Swagath Mall, 4th Floor, Tilak Nagar Main Road INOX Bangalore Central-2, 5th Floor, 45th Cross Maheshwari Theater Bannerghatta Main Road Gopalan Cinemas Gopalan Innovation Mall, JP Nagar 3rd Phase Chandapura Chandra Layout Global Academy For Learning Sri Chowdeshwari Farm, Near Global Village IT Park, National Public School, HSR Layout P2/32, Sector 4, HSR Layout Bangalore Pattanagere Main Road, Rajarajeshwarinagar, Bangalore Chickpet Chikkabanavara Chikkadugodi Chikkallasandra Chikkamavalli Cholara Palya Chowdeshwari Temple Street Chunchagatta Church Street Clevelskmclasses.weebly.com Town CMH Road Coles Park Commercial Street Commissariat Road Cooke Town Corporation Circle Cottonpet Cox Town Crescent Road Cubbon Park Cubbon Road Cubbonpet Cunningham Road Dairy Circle Dasara Halli Dasarahalli Devaiah Park Devana Halli Devanahalli Devara Chikkana Halli Devara Jeevana Halli Devasandra Dharmaram College Dickenson Road Dispensary Road Dodda Banaswadi Dodda Bommasandra Dodda Kallasandra Dodda Kanna Hally Dodda Mavalli Doddaballapur Road Doddaballapura Doddana Kundi Dollars Colony Domlur Domlur 2nd Stage Domlur Ring Road Dooravani Nagar Dr. Ambedkar Veedhi Dr. DVG Road Delhi Public School, South 11 K.M., kanakapura Road Konanakunte Post, Bangalore Dr. Raj Kumar Road Dr. TCM Royan Road Ejipura Electronic City Field Marshal Cariappa Road Frazer Town Ganapathi Nagar Gandhi Bazaar Gandhi Nagar Ganga Nagar Gangadhar Chetty Road Ganigarpet Garvebhavi Palya Gavipuram Extension Gayathri Nagar Geddala Halli Geddalahalli Giri Nagar Giri Nagar 1st Phase Giri Nagar 2nd Phase GM Palya Gokula Golf Course Road Gorgunte Palya Govindaraj Nagar Green Park Extension, Guddada Halli Gundopanth Street National Public School, Indiranagar 12 A Main HAL II Stage, Bangalore H.Siddaiah Road Haines Road HAL HAL 2nd Stage HAL 3rd Stage HAL Airport Road Hampi Nagar Hanumantha Nagar Hayes Road HBR Layout Hebbal Kempapura Hebbal Ring Road Hegde Nagar Heggana Halli Hennur Hesaraghatta HKP Road HMT Layout Hongasandra Hoody Horamavu Hosakere Halli photochemistry photooxidation piperidines polyanions polycations polycycles polymers Porphyrins prostaglandins 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Training iPhone Development Training Mobile Application Testing Training Mobile Gaming Training Mobile Application Development Training Oakridge International School Oakridge International School, Sarjapur Road, , Bangalore School of India, Bannerghatta, Bangalore Delhi Public School DPS North Campus, Yelahanka, Bangalore Jain International Residential School (JIRS), Jakkasandra Post, Bangalore Delhi Public School (DPS East), Sarjapur, Bangalore TREAMIS World School, Electronics City, Bangalore South Delhi Public School (South), Kanakapura Road, Bangalore The Deen’s Academy, Whitefield, Bangalore National Public School (NPS), Koramangala, Bangalore Royale Concorde International School, Kalyan Nagar, Bangalore Freedom International School, HSR Layout, Bangalore Air Force School Army Public School Bangalore Military School BGS International School Cambridge Public School Delhi Public School Deva Matha Central School Jain International Residential School Kendriya Vidyalaya A M C School 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Institution Kogalym Secondary School ?8, RUSSIAN FEDERATION Phorms Bilingual Gymnasium, GERMANY Royal High School, UNITED STATES SIS Swiss International School Stuttgart-Fellbach, GERMANY Seedling Public School INDIA The British School of Beijing CHINA Unidad Educativa Fiscal Experimental del Milenio, ECUADOR Unidad Educativa Juan de Velasco ECUADOR Unidad Educativa Tumbaco, ECUADOR École secondaire Gaétan Gervais, CANADA École secondaire Hanmer CANADA Stonehill International School American School of Bombay Mumbai Day school offering PYP MYP DP Dhirubhai Ambani International School Mumbai Day school offering DP Ecole Mondiale World School, Mumbai Day school offering DP Jamnabai Narsee School Mumbai Day school offering DP Ahmedabad International School Ahmedabad Day School offering PYP Mahatma Gandhi International School Ahmedabad Day school offering MYP Mahindra United World College of India Pune Boarding school offering DP Mercedes-Benz International School Pune American Embassy School Delhi Day school offering DP The British School, Delhi Day school offering DP Pathways World School, Gurgaon Boarding school offering PYP DP SelaQui World School, Dehra Dun Boarding school offering DP Canadian International School, Bangalore Mixed Boarding Day school offering DP International School of Bangalore, Bangalore Mixed Boarding Day school offering DP Oakridge International School Hyderabad Day school offering PYP Chinmaya International Residential School Coimbatore Boarding school offering DP Good Shepherd International School Ooty Boarding school offering DP Kodaikanal International School, Kodaikanal Boarding school offering DP Home Tuition Group teachers available small groupsstudents IB International Baccalaureate Programme, IGCSE, ISc, ICSE, CBSE Schools offering IB ( International Baccalaureate ) Programme Bangalore International School Geddalahalli Hennur Bagalur Road Kothanur Post Bengaluru India 560 077 Stonehill International School, 1st Floor, Embassy Point #150, Infantry Road Bengaluru 560 001 Stonehill International School 259/333/334/335 Tarahunise Post Jala Hobli, Bengaluru North 562157 Candor International School Begur Koppa Road, Hullahalli Off Bannerghatta Road, Near Electronic City Bangalore 560105 Greenwood High International School Bengaluru, No.8-14, Chickkawadayarapura, Near Heggondahalli Gunjur Post, Varthur Sarjapur Road, Bangalore 560087 Sarla Birla Academy, Bannerghatta, Bangalore, Canadian International School, Yelahanka, Bangalore Indus International School Billapura Cross Sarjapur Bangaloreonk
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