The monomer of the polymer

 is :-

1.

2. CH32C=CCH32

3. CH3CH=CH·CH3

4. CH3CH=CH2

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Which can absorb over 90% of its own mass of water and does not stick to wound ?

1. Rayon

2. Gun cotton

3. Thiokol

4. Saran

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Thermoplastics are:

1. linear polymers

2. soften or melt on heating 

3. molten polymer can be moulded in desired shape

4. all of the above

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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-NHCH26NHCOCH24CO-n is a

1. copolymer

2. additional polymer

3. thermo-setting polymer

4. homopolymer

Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable | Application of Polymers |
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Which of the following natural products is not a polymer ?

1. DNA

2. Cellulose

3. ATP

4. Urease

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Synthetic human hair wigs are made from a copolymer of vinyl chloride and acrylonitrile and is called:

1. PVC

2. polyacrylonitrile

3. cellulose

4. dynel

Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Nylon-6,6 is a polyamide obtained by the reaction of

1. COOH(CH2)4COOH + H2NC6H4NH2 - (p)

2. COOH(CH2)4COOH + NH2(CH2)6NH2 

3. COOH(CH2)4COOH + NH2(CH2)4NH2 

4. COOHC6H4COOH - (p) + NH2(CH2)6NH2

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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Which one is protein fibre ?

1. Cotton

2. Rayon

3. Silk

4. Polyster

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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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 |
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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 |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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