Which of the following compounds not contain amide linkage/group?

(1) Acetamide

(2) Nylon-6

(3) Cellulose

(4) Proteins

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 76%
From NCERT
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Which of the following are biopolymers?

(a) Leather

(b) Nucleic acids

(c) Orlon

(d) Bakelite

1. a,b

2.a,b,c

3.b

4.a

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 52%
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Which of the following cannot be used as a plasticizer?

1. 

2. 

3. cresyl triphosphate

4. Di- n-octyl phthalate

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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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?
 

1. C6H5CH=CH2

2. CH2=CH2

3. CH3C(CH3)=CH2

4. CH3CH=CH2

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 51%
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The polymer containing strong intermolecular forces like hydrogen bonding is

(1) Teflon

(2) nylon 6,6

(3) polystyrene

(4) natural rubber

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 69%
From NCERT
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The species which can best serve as an initiator for the cationic polymerization is

(1) AlCl3

(2) HNO3

(3) LiAlH4

(4) BuLi

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 59%
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Which polymer is used in the manufacture of paints and lacquers? 

(1) Bakelite

(2) Glyptal

(3) Polypropene

(4) Polyvinyl chloride

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 68%
From NCERT
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Which of the following statements about low-density polythene is false?

1. It is a poor conductor of eléctricity

2. Its synthesis requires oxygen or Peroxide indicator as a Catalyst

3. Its synthesis requires high Pressure

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

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 66%
From NCERT
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Incorrect statement regarding the polymers is: 

(1) They all have a repeating structural unit.

(2) They have high viscosity.

(3) They scatter light.

(4) They have low molecular weights.

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 83%
From NCERT
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Polymers that involve cross-linkages are: 

(I) Bakelite                
(II) High density Polythene
(III) PVC
(IV) Vulcanised rubber

(1) I, II, IV

(2) II only

(3) III, IV

(4) I, IV

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 65%
From NCERT
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