Class 12 Chemistry Chapter 15 Polymers Very Short Questions and Answers | Class 12 Chemistry Chapter 15 Polymers Quiz

1 Which of these polymers involve cross-linkages?
(I) Bakelite
(II) Polythene
(III) Melmac
(IV) Vulcanized rubber

A I, II, IV

B II only

C III, IV

D I, IV

View Answer

Answer:I, II, IV

2 Which are true about polymers?

A They all have a repeating structural unit

B They have high viscosity

C They scatter light

D They have low molecular weights

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Answer: They all have a repeating structural unit

3 Which of the following compounds contain amide linkage?

A Acetamide

B Nylon-6

C Cellulose

D Proteins

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Answer:Acetamide

4 Which of the following are biopolymers?

A Leather

B Nucleic acids

C Orlon

D Bakelite

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Answer:Leather

5 The polymer containing strong intermolecular forces e.g., hydrogen bonding is

A Teflon

B nylon 6,6

C polystyrene

D natural rubber

View Answer

Answer: nylon 6,6

6 The species which can best serve as an initiator for the cationic polymerization is

A AlCl₃

B HNO₃

C LiAlH₄

D BuLi

View Answer

Answer: AlCl₃

7 Which polymer is used in the manufacture of paints and lacquers?

A Glyptal

B Bakelite

C Polypropene

D Polyvinyl chloride

View Answer

Answer: Glyptal

8 Which of the following statements about low-density polythene is false?

A It is a poor conductor of eléctricity

B Its synthesis requires oxygen ora Peroxide indicator as a Catalyst

C Its synthesis requires high Pressure

D It is used in the manufacture of buckets, etc.

View Answer

Answer:It is used in the manufacture of buckets, etc.

9 Which of the following cannot be used as a plasticizer?

A

B

C Tricresyl phosphate

D Di- n-octyl phthalate

View Answer

Answer:

10 Passage: The polymer is a very large molecule that is made up of repeating small molecular units called monomers. The chemical reaction that unites the monomers is called polymerization. There are homopolymers, copolymers depending upon the type of monomers present in them.

Which of the following monomers will give radical polymerization most readily?

A C₆H₅CH=CH₂

B CH₂=CH₂

C CH₃−C(CH₃)=CH₂

D CH₃−CH=CH₂

View Answer