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%
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Polyamide is represented by: 

1. Teflon 

2. Nylon – 6,6

3. Terylene 

4. Bakelite

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 83%
From NCERT
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The structure of the monomer used for the preparation of plexiglass is

1.  

2.  

3.  

4.  

Subtopic:  Application of Polymers |
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Plastic household crockery is prepared by using :

1. Melamine and tetrafluoroethane.

2. Malonic acid and hexamethylene imine.

3. Melamine and vinyl acetate.

4. Melamine and formaldehyde.

Subtopic:  Application of Polymers |
 77%
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The polymer that is addition as well as copolymer is: 

1. PHBV 

2. PVC

3. Buna-S 

4. Neoprene

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 72%
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Monomer of natural rubber is: 

1. 1, 3-butadiene

2. Isoprene

3. Styrene

4. Chloroprene

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 76%
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In the reaction–

Reagent X is–

1. Triethylaluminium and titanium tetrachloride.

2. Triethyl aluminum.

3. Zeigler Natta Catalyst.

4. Both 1 & 3

Subtopic:  Application of Polymers |
 85%
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Select the correct option based on statements below:

Assertion (A): Vulcanisation of rubber is heating of synthetic rubber with sulfur.
Reason (R): Stiffness is lost in vulcanization.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Dacron is an example of–

1. Elastomer

2. Fibre

3. Polyamide

4. Thermoaddition polymer

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 55%
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Which of the following is an elastomer ?

1. Vulcanized rubber 

2. Dacron

3. Polystyrene

4. Melamine

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 79%
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