Given below are two statements:
 
I: High density polythene is formed in the presence of catalyst triethylaluminium and titanium tetrachloride.
II: High density polymers are chemically inert.  

In the light of the above statements, choose the correct answer from the options given below:
1. Statement-I is correct but Statement-II is false. 
2. Statement-I is incorrect but Statement-II is true.
3. Both Statement-I and Statement- II are true.
4. Both Statement-I and Statement-II are false.
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 62%
From NCERT
NEET - 2023
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Which statement regarding polymers is not correct?
1. Thermosetting polymers are reusable 
2. Elastomers have polymer chains held together by weak intermolecular forces 
3. Fibers possess high tensile strength
4. Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 71%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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 among the following is a thermoplastic polymer?

1.  Bakelite
2.  Polythene
3.  Urea-formaldehyde resin
4.  Melamine polymer
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 68%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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A biodegradable polymer that can be prepared 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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NEET 2023 - Target Batch - Aryan Raj Singh
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The example of a thermosetting polymer among the following options is:

1.   
2.
3.
4. 

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 73%
From NCERT
AIPMT - 2014
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which is the monomer of Neoprene in the following?

1. 2.
3. \(CH_2=CH-C\equiv H\) 4. \(CH_2=CH-C=CH_2\)
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 86%
From NCERT
AIPMT - 2013
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Nylon is an example of:

1. Polysaccharide
2. Polyamide
3. Polythene
4. Polyester

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 79%
From NCERT
AIPMT - 2013
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following is not a condensation polymer?

1. Melamine

2. Glyptal

3. Dacron

4. Neoprene

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 72%
From NCERT
AIPMT - 2012
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NEET 2023 - Target Batch - Aryan Raj Singh
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The polymer that can be classified as polyster polymer is:
1. Bakelite
2. Melamine
3. Nylon-66
4. Terylene

Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 70%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh