Match the materials given in Column I with the polymers given in Column II.

Column I Column II
A. Natural rubber latex 1. Nylon
B. Wood laminates 2.  Dacron
C. Ropes and fibers 3. Urea-formaldehyde resins
D. Polyester fabric 4. cis-polyisoprene

Codes

A B C D
1. 2 3 4 1
2. 3 4 1 2
3. 1 4 3 2
4. 4 3 1 2

Subtopic:  Application of Polymers |
 89%
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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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Match the polymers given in Column-I with their repeating units given in Column-II. Choose the correct option from the codes given below :

Column-I Column-II
(a) Polystyrene (p) 
(b) Novolac (q) 
(c) Buna-N (r) 
(d) Acrilan (s) 

      

(a) (b) (c) (d)
1. (s) (r) (q) (p)
2. (r) (p) (s) (q)
3. (p) (q) (r) (s)
4. (q) (s) (p) (r)
Subtopic:  Classification - Methods of Polymerization & Copolymerization | Application of Polymers |
 81%
From NCERT
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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%
From NCERT
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Match the following:

Column I Column II
A. Bakelite 1. Squeeze bottles
B. Low-density polyethylene 2. Unbreakable crockery
C. Melamine-formaldehyde resin 3. Tyre, cords
D. Nylon- 6 4. Electrical switches


Codes

A B C D
1. 2 3 4 1
2. 4 1 2 3
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Application of Polymers |
 76%
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Select the correct option based on statements below:

Assertion (A): Polytetrafluoroethylene is used in making non-stick cookware.
Reason (R): Fluorine has the highest electronegativity.
  
1. Both (A) and (R) are true but (R) is not the correct explanation of (A).
2. Both (A) and (R) are true and (R) is the correct explanation of (A).
3. Both (A) and (R) are false.
4. (A) is true but (R) is false.
Subtopic:  Application of Polymers |
 67%
From NCERT
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Select the correct option based on statements below:

Assertion (A): Nylon-2,Nylon-6 is a biodegradable polymer.
Reason (R): Glycine is one of the monomers of Nylon-2,6.
  
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:  Application of Polymers |
 59%
From NCERT
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