NCERT Solutions For Class 12 Chemistry Chapter 15 Polymers
Madhya Pradesh Board Class 12 Chemistry Solutions Chapter 15 Polymers By StudyEducation Topics and Subtopics in NCERT Solutions for Class 12 Chemistry Chapter 15 Polymers : Section Name Topic Name 15 Polymers 15.1 Classification of Polymers 15.2 Types of Polymerisation Reactions 15.3 Molecular Mass of Polymers 15.4 Biodegradable Polymers 15.5 Polymers of Commercial Importance NCERT INTEXT QUESTIONS 15.1. What are polymers? Ans: Polymers are high molecular mass substances (10 3 — 10 7 u) consisting of a very large number of simple repeating structural units joined together through covalent bonds in a linear fashion. They are also called macromolecules. Ex: polythene, nylon 6,6, bakelite, rubber, etc. 15.2. How are polymers classified on the basis of structure? Ans: On the basis of structure, polymers are classified into three types. These are linear chain polymers, branched chain polymers and crossedlinkedpolymers. 1. Linear chain polymers: In this case, the monomer units are ...