Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice is an essential part of mastering polymer chemistry for board exams and competitive tests.Aspirants often find polymers confusing due to the variety of classifications such as fibres, elastomers, and plastics. This is where Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice becomes highly useful, as it helps in reinforcing concepts through repeated exposure and structured learning. By regularly engaging with Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice, aspirants can significantly improve their understanding and confidence.

In Class 12 chemistry, polymers are broadly categorized into fibres, elastomers, and plastics based on their properties and applications. Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice helps aspirants distinguish between these categories effectively. Fibres like nylon and terylene are known for their strong intermolecular forces, while elastomers such as natural rubber exhibit elasticity due to weak intermolecular interactions. Plastics, on the other hand, can be thermoplastics or thermosetting polymers. Practicing Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice ensures that these differences are clearly understood.

Another major advantage of Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice is that it enhances conceptual clarity. Instead of rote memorization, aspirants learn to analyze why certain polymers behave differently. For example, Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice often focuses on why elastomers can stretch and return to their original shape, while fibres remain rigid. This deeper understanding is crucial for scoring well in exams.

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Another important benefit of Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice is its role in strengthening analytical thinking. Instead of simply recalling facts, students learn to apply concepts to different situations. Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice encourages logical reasoning, which is essential for solving higher-order questions in exams.

In addition, Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice helps aspirants understand real-life applications of polymers. From synthetic fibres used in clothing to elastomers in tyres and plastics in everyday products, the concepts become more relatable. This practical understanding gained through Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice makes learning more engaging and meaningful.

Consistency plays a key role in achieving success, and Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice supports this by providing regular practice opportunities. Aspirants who make Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice a part of their daily study routine tend to perform better in exams. It not only boosts confidence but also reduces exam anxiety.

Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice:

1. Match List-I with List-II

List-I
A. Alcoholic potassium hydroxide
B. Pd/BaSO₄
C. BHC (Benzene hexachloride)
D. Polyacetylene

List-II
I. Electrodes in batteries
II. Obtained by addition reaction
III. Used for β-elimination reaction
IV. Lindlar catalyst

a) A–III, B–IV, C–II, D–I
b) A–III, B–I, C–II, D–IV
c) A–II, B–I, C–III, D–IV
d) A–II, B–IV, C–III, D–I

Answer: a

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2. The polymer formed on heating novolac with formaldehyde is

a) Bakelite
b) Melamine
c) Polyester
d) Nylon 66

Answer: a

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3. A polymer prepared by chain growth polymerisation method, among the following is

a) Dacron
b) Nylon 6
c) Polyacrylonitrile
d) Nylon 66

Answer: c

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4. Polycondensation products of dicarboxylic acids and diols are

a) Polyamides
b) Neoprene
c) Glyptal
d) Polyesters

Answer: d

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5. Which combination will produce polyurethane polymers?

a) CH₂-CH₂-CH₂-N=C=O + HO-CH₂-CH₂-OH
b) O=C=N-C₆H₄-CH₂-C₆H₄-N=C=O + HO-CH₂-CH₂-OH
c) HCHO + NH₂CONH₂
d) HOOCH(CH₂)₄COOH + NH₂(CH₂)₄NH₂

Answer: b

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6. Buna-N synthetic rubber is obtained by copolymerization of

a) CH₂=CH-CH=CH₂ and H₂C=C=CH₂
b) CH₂=CH-CN and H₂C=CH-CH=CH₂
c) H₂C=C=CH-CN and CH₂=CH-(CCl₃)=CH₂
d) H₂C=C=CH-(CCl₃)=CH₂ and H₂C=C=CH-CH=CH₂

Answer: b

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7. The species which cannot serve as an initiator for the free radical polymerisation

a) Option 1
b) Option 2
c) Option 3
d) Option 4

Answer: d

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8. The polymer used in the manufacture of Orlon is

a) PTFE
b) PAN
c) PMMA
d) PVC

Answer: b

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9. Glyptal polymer is obtained from glycol by reacting with

a) Malonic acid
b) Maleic acid
c) Phthalic acid
d) Terephthalic acid

Answer: c

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10. Among the following polymers, which polymer is an addition polymer?

a) Polypropylene
b) Dacron
c) Nylon 6,10
d) Bakelite

Answer: a

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11. Which one of the following is not condensation polymer?

a) Dacron
b) Neoprene
c) Melamine
d) Glyptal

Answer: b

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12. Which of the following is a polyamide?

a) Teflon
b) Nylon-6
c) Terylene
d) Bakelite

Answer: b

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13. Ethylene glycol + A → Dacron, A is

a) Terephthalic acid
b) Hexamethylene diamine
c) ε-caprolactam
d) Melamine

Answer: a

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14. The number average molar mass and mass average molar mass of a polymer are respectively 30,000 and 40,000. The polydispersity index (PDI) of the polymer is

a) <1
b) 1
c) >1
d) Zero

Answer: c

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15. The condensation polymer among the following is

a) Rubber
b) Protein
c) PVC
d) Polyethylene

Answer: b

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16. Heating of rubber with sulphur is called

a) Vulcanisation
b) Galvanisation
c) Sulphonation
d) Basemelisation

Answer: a

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17. Styrene can be purified by

a) Simple distillation
b) Fractional distillation
c) Steam distillation
d) Vacuum distillation

Answer: d

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18. Which of the following monomers can undergo condensation polymerisation?

a) Styrene
b) Glycine
c) Isoprene
d) Propene

Answer: b

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19. Cis-1,4-polyisoprene is called

a) Buna-N
b) Neoprene
c) Buna-S
d) Natural rubber

Answer: d

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20. (CH₃)₃SiCl is used during polymerization of organosilicones because

a) The chain length of organosilicon polymers can be controlled by adding (CH₃)₃SiCl
b) (CH₃)₃SiCl improves the quality and yield of the polymer
c) (CH₃)₃SiCl does not block the end terminal of silicone polymer
d) (CH₃)₃SiCl acts as a catalyst during polymerisation

Answer: a

Conclusion on Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice

In conclusion, Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice is a powerful tool for mastering polymer chemistry. It improves conceptual clarity, enhances problem-solving skills, and prepares aspirants  for various types of exam questions. By consistently practicing Fibre Elastomer Plastic Polymer MCQs Class 12 Chemistry Practice, aspirants can achieve better results and develop a strong foundation in chemistry.