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Polymers WBJEE MCQ & Practice Questions

Practice Polymers MCQs for WBJEE Chemistry with answers, explanations, chapter revision and related ChemNexa mock tests.

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Polymers Revision Guide for WBJEE Chemistry

Polymers is part of WBJEE Chemistry preparation. A strong revision plan should combine concept review with exam-style questions so that definitions, relationships, calculations and exceptions are recalled accurately.

Use the sample MCQs on this page to check understanding, then attempt the related ChemNexa tests for broader practice. When an answer is wrong, review the explanation and return to the underlying concept before attempting another set.

Important Topics

  • Core definitions and principles
  • Important equations or relationships
  • Common applications and examples
  • Frequently confused concepts
  • Exam-style multiple-choice questions
  • Error review and targeted revision

Revision Tip

Create a one-page summary of trends, structures, reactions, exceptions and key terminology for Polymers, then test recall with mixed MCQs.

What to practise in Polymers

Concept Revision

Revise definitions, principles, equations, trends and core ideas from Polymers before attempting MCQs.

Exam-style MCQs

Use chapter-focused multiple-choice practice to improve accuracy, recall and application for WBJEE Chemistry.

Performance Practice

Attempt ChemNexa tests, review results and return to weak areas for another round of targeted revision.

Top 20 Polymers MCQs with Answers

These public questions are selected from the exact Polymers chapter, screened for topic relevance and deduplicated so repeated versions of the same MCQ are not shown publicly. Use them for quick revision, then sign in to attempt the complete test experience with more questions, results and performance review.

WBJEE Chemistry · Polymers · Very Very Hard

1. A polymer is best described as:

  • A. A simple ionic crystal
  • B. A single metal atom
  • C. A high-molar-mass macromolecule built from repeating units
  • D. A monatomic gas
Answer: C
Explanation: Polymers consist of many repeating structural units.

WBJEE Chemistry · Polymers · Very Very Hard

2. The small molecules from which polymers are formed are called:

  • A. Colloids
  • B. Monomers
  • C. Isomers
  • D. Catalysts
Answer: B
Explanation: Monomers link together during polymerisation.

WBJEE Chemistry · Polymers · Very Very Hard

3. Addition polymerisation usually involves monomers containing:

  • A. Multiple bonds
  • B. Only noble-gas atoms
  • C. Only ionic bonds
  • D. No reactive functional group
Answer: A
Explanation: Unsaturated monomers commonly undergo chain-growth addition.

WBJEE Chemistry · Polymers · Very Very Hard

4. Condensation polymerisation generally involves:

  • A. Only alkanes
  • B. Noble gases
  • C. Monofunctional saturated hydrocarbons only
  • D. Bifunctional or polyfunctional monomers
Answer: D
Explanation: Step-growth condensation requires reactive functional groups.

WBJEE Chemistry · Polymers · Very Very Hard

5. Polyethene is formed from:

  • A. Ethyne only
  • B. Ethanol
  • C. Ethene
  • D. Ethane
Answer: C
Explanation: Ethene undergoes addition polymerisation to polyethene.

WBJEE Chemistry · Polymers · Very Very Hard

6. PVC is formed from the monomer:

  • A. Chloroethane
  • B. Vinyl chloride
  • C. Vinyl alcohol
  • D. Ethyl chloride
Answer: B
Explanation: Polyvinyl chloride is produced from CH2=CHCl.

WBJEE Chemistry · Polymers · Very Very Hard

7. Polystyrene is formed from:

  • A. Styrene
  • B. Benzene
  • C. Phenol
  • D. Toluene
Answer: A
Explanation: Styrene undergoes addition polymerisation.

WBJEE Chemistry · Polymers · Very Very Hard

8. PTFE is formed from:

  • A. Difluoromethane
  • B. Fluorobenzene
  • C. CF4
  • D. Tetrafluoroethene
Answer: D
Explanation: Tetrafluoroethene polymerises to PTFE/Teflon.

WBJEE Chemistry · Polymers · Very Very Hard

9. Teflon is another name for:

  • A. PAN
  • B. PMMA
  • C. PTFE
  • D. PVC
Answer: C
Explanation: Teflon is polytetrafluoroethylene.

WBJEE Chemistry · Polymers · Very Very Hard

10. PAN is obtained from:

  • A. Acetylene
  • B. Acrylonitrile
  • C. Acetamide
  • D. Aniline
Answer: B
Explanation: Polyacrylonitrile is made from acrylonitrile.

WBJEE Chemistry · Polymers · Very Very Hard

11. PMMA is commonly known as:

  • A. Perspex/acrylic
  • B. Teflon
  • C. Bakelite
  • D. Nylon-6,6
Answer: A
Explanation: PMMA is widely used as acrylic glass.

WBJEE Chemistry · Polymers · Very Very Hard

12. Natural rubber is primarily a polymer of:

  • A. Ethene
  • B. Styrene
  • C. Vinyl chloride
  • D. Isoprene
Answer: D
Explanation: Natural rubber is cis-1,4-polyisoprene.

WBJEE Chemistry · Polymers · Very Very Hard

13. Natural rubber predominantly contains:

  • A. Polybutadiene only
  • B. Polystyrene
  • C. cis-1,4-polyisoprene
  • D. trans-1,4-polyisoprene only
Answer: C
Explanation: Its elastic structure is cis-1,4-polyisoprene.

WBJEE Chemistry · Polymers · Very Very Hard

14. Vulcanisation of rubber commonly uses:

  • A. Silica only
  • B. Sulfur
  • C. Sodium chloride
  • D. Nitrogen
Answer: B
Explanation: Sulfur creates cross-links between polymer chains.

WBJEE Chemistry · Polymers · Very Very Hard

15. Vulcanisation generally improves rubber's:

  • A. Strength and elasticity over a useful temperature range
  • B. Water solubility
  • C. Monomer content
  • D. Volatility
Answer: A
Explanation: Cross-linking improves mechanical and thermal properties.

WBJEE Chemistry · Polymers · Very Very Hard

16. Buna-S is a copolymer of:

  • A. Ethene and propene
  • B. Isoprene and chlorine
  • C. Vinyl chloride and styrene
  • D. 1,3-butadiene and styrene
Answer: D
Explanation: Buna-S is styrene-butadiene rubber.

WBJEE Chemistry · Polymers · Very Very Hard

17. Buna-N is a copolymer of:

  • A. Isoprene and vinyl chloride
  • B. Ethene and tetrafluoroethene
  • C. 1,3-butadiene and acrylonitrile
  • D. Styrene and ethene
Answer: C
Explanation: Buna-N is nitrile rubber.

WBJEE Chemistry · Polymers · Very Very Hard

18. Neoprene is obtained from:

  • A. Acrylonitrile
  • B. Chloroprene
  • C. Isoprene
  • D. Styrene
Answer: B
Explanation: Polychloroprene is known as neoprene.

WBJEE Chemistry · Polymers · Very Very Hard

19. Nylon-6,6 is formed from:

  • A. Hexamethylenediamine and adipic acid
  • B. Caprolactam only
  • C. Ethylene glycol and terephthalic acid
  • D. Phenol and formaldehyde
Answer: A
Explanation: Nylon-6,6 is a polyamide from a diamine and a diacid.

WBJEE Chemistry · Polymers · Very Very Hard

20. Nylon-6 is commonly produced from:

  • A. Adipic acid plus ethylene glycol
  • B. Styrene
  • C. Vinyl chloride
  • D. Caprolactam
Answer: D
Explanation: Ring-opening polymerisation of caprolactam yields nylon-6.

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Polymers Practice Tests

Polymers Frequently Asked Questions

How should I prepare Polymers for WBJEE Chemistry?

Revise the core concepts first, make a short list of important relationships or exceptions, and then solve chapter-focused MCQs while reviewing every error.

How can ChemNexa help with Polymers practice?

This page provides public sample questions and links to published ChemNexa tests so you can combine quick revision with structured practice.

What should I do after getting an MCQ wrong?

Identify whether the mistake came from a concept gap, calculation, unit, sign, wording or memory error, review that point, and then attempt a similar question again.

Continue with another chapter to build connected concepts and strengthen your overall Chemistry preparation.

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