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Polymers

Telangana Open School (TOSS) · Class 12 · Chemistry

Quick revision notes for Polymers — Telangana Open School (TOSS) Class 12 Chemistry. Key concepts, formulas, and definitions for last-minute revision.

38 questions30 flashcards5 concepts

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Key Topics to Revise

1

Basic Concepts and Definitions

  • A polymer is a high molecular mass compound formed by linking many small units called monomers.
  • Monomers are simple, reactive molecules that join together to form polymers.
  • Homopolymers are made from one type of monomer; copolymers are made from two or more different monomers.
2

Types of Polymerization

  • Addition polymerization involves unsaturated monomers adding to a growing chain without loss of small molecules.
  • It proceeds via initiation, propagation, and termination steps.
  • Condensation polymerization involves the elimination of small molecules like H₂O or HCl.
3

Classification of Polymers

  • Based on source: Natural (starch, rubber) and Synthetic (PVC, nylon).
  • Based on structure: Linear, Branched, Cross-linked.
  • Based on molecular forces: Elastomers, Fibers, Thermoplastics, Thermosetting polymers.
4

Commercially Important Polymers

  • Polythene: LDPE (branched) and HDPE (linear); used in bags, pipes.
  • PVC: Made from vinyl chloride; used in raincoats, flooring.
  • Teflon: Heat-resistant; used in non-stick coatings.

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Full Notes

Key Concepts

A monomer is a small moleculeAddition polymerization involves monomers addingA homopolymer is made from onePolymers are categorized into elastomers (rubberThese are polymers that can be

Frequently Asked Questions

What are the important topics in Polymers for Telangana Open School (TOSS) Class 12 Chemistry?
Polymers covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Polymers — Telangana Open School (TOSS) Class 12 Chemistry?
Understand the core concepts first, then work through the 38 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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