The initial reaction in the formation of bakelite is an example of:

(1) Aromatic electrophilic substitution.

(2) Aromatic nucleophilic substitution.

(3) Free radical reaction.

(4) Aldol reaction.

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
From NCERT
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PMMA is the polymer of.

1. methylmethacrylate

2. methylacrylate

3. methacrylate

4. ethylacrylate

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 82%
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Condensation of caprolactam gives:

1. nylon-6,6               
2. nylon-6
3. nitrile rubber
4. nylon-6,10
 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 88%
From NCERT
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Natural rubber has

1. All trans-configuration.

2. Alternate cis - and trans-configuration.

3. Random cis - and trans-configuration.

4. All cis-configuration.

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 78%
From NCERT
NEET - 2016
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Biodegradable polymer which can be produced from glycine and aminocaproic acid is

1. Nylon- 2 - Nylon - 6

2. PHBV

3. Buna-N

4. Nylon-6, 6

Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 73%
From NCERT
NEET - 2015
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Caprolactam is used for the manufacture of-

1. Nylon-6
2. Polythene
3. Terylene
4. Nylon-6 6

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 88%
From NCERT
NEET - 2015
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Dacron is a polymer of : 

1. Propylene and para HO—(C6H4)—OH

2. Benzoic acid and ethanol

3. Terephthalic acid and ethylene glycol

4. Benzoic acid and para HO—(C6H4)—OH

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 91%
From NCERT
NEET - 2014
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Which of these is not a monomer for a high molecular mass silicone polymer?

1. MeSiCl3

2. Me2SiCl2

3. Me3SiCl

4. PhSiCl3

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
NEET - 2013
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Which of the following is the monomer of neoprene ?

1. CH2=CH-c=CH

2. CH2=C|CH3-CH=CH2

3. CH2=C|Cl-CH=CH2

4. CH2=CH-CH=CH2

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 84%
From NCERT
NEET - 2013
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Which of the following statements is false?

1. Artificial silk is derived from cellulose

2. Nylon-66 is an example of elastomer

3. The repeat unit in natural rubber is isoprene

4. Both starch and cellulose are polymers of glucose

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 68%
From NCERT
NEET - 2012
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