Which one is protein fibre ?

1. Cotton

2. Rayon

3. Silk

4. Polyster

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 50%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Bakelite is prepared by the reaction between

1. urea and formaldehyde

2. ethylene glycol

3. phenol and formaldehyde

4. tetramethylene glycol

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 78%
From NCERT
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Terylene is a condensation polymer of ethylene glycol and

1. Benzoic acid

2. Phthalic acid

3. Salicylic acid

4. Terephthalic acid

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 79%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Melamine plastic crockery is a copolymer of:

1. HCHO and melamine

2. HCHO and ethylene

3. Melamine and ethylene

4. none of the above

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 80%
From NCERT
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Acrilan is a hard,  wool-like feel and a high melting material. Which of the following represents its structure?

1. -CH2-CH|COOC2H5-n

2. -CH2-CH|Cl-n

3. -CH2-CH|CN-n

4. -CH2-C|CH3|COOCH3-n

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 79%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 69%
From NCERT
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Monomer of neoprene is: 

1. 

2. 

3. 

4. 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 78%
From NCERT
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Which one of the following monomers gives the polymer neoprene on polymerization?

1. 

2. CF2=CF2

3. CH2=CHCl

4. CCl2=CCl2

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 82%
From NCERT
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Structures of some common polymers are given. The incorrect representation among the following is: 

1. Teflon  

2. Neoprene 

3. Terylene  

4. Nylon-6,6   

 

Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 63%
From NCERT
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Nylon-6, 10 is a polymer of:

1. Hexamethylenediamine and adipic acid

2. Hexamethylenediamine and sebacic acid

3. Caprolactam

4. None of the above

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 59%
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NEET 2023 - Target Batch - Aryan Raj Singh
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