Which amongst the following molecules on polymerization produces neoprene? 
1. 2.
3. 4.
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 61%
From NCERT
NEET - 2023
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Match list-I with list-II:

List-I
(Monomers)
List-II
(Polymers)
(a) Caprolactam (i) Bakelite
(b) Ethylene glycol and Benzene-1, 4-dicarboxylic acid (ii) Nylon 6, 6
(c) Hexamethylenediamine and adipic acid (iii) Nylon-6
(d) Phenol and Formaldehyde (iv) Terylene
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (iii) (iv) (i)
2. (i) (ii) (iii) (iv)
3. (iii) (iv) (ii) (i)
4. (iv) (ii) (i) (iii)
Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 83%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following polymers are prepared by addition polymerization?
1. Novolac 
2. Dacron 
3. Teflon 
4. Nylon-66 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 68%
From NCERT
NEET - 2021
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NEET 2023 - Target Batch - Aryan Raj Singh
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The natural polymer among the following options is: 

1. Poly(Butadiene-styrene)

2. Polybutadiene

3. Poly(Butadiene-acrylonitrile)

4. Cis-1,4-polyisoprene

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 78%
From NCERT
NEET - 2020
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 The correct statement regarding Bakelite is : 

1. It is a cross linked polymer.

2. It is an additional polymer.

3. It is a branched chain polymer.

4. It is a linear polymer.

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 73%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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The biodegradable polymer is:

1. Buna-S

2. Nylon-6, 6

3. Nylon 2-nylon 6

4. Nylon-6

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 77%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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The polymer that is used as a substitute for wool in making commercial fibres is -

1. Melamine

2. Nylon-6, 6

3. Polyacrylonitrile

4. Buna-N
 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 65%
From NCERT
NEET - 2019
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Incorrect statement regarding cross-linked or network polymers is:

1. They contain covalent bonds between various linear polymer chains.
2. They are formed from bi and tri functional monomers.
3. Examples are bakelite and melamine.
4. They contain strong covalent bonds in same polymer chain.
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 54%
From NCERT
NEET - 2018
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The correct structure of Nylon-6,6 polymer is:

1. 
2.  
3. 
4. 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 78%
From NCERT
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh
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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:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 87%
From NCERT
NEET - 2016
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