Caprolactam when heated at high temperature gives:

1. Nylon 6,6
2. Dacron
3. Teflon
4. Nylon 6
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
Level 4: Below 35%
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Match the following in column I with column II and choose the correct combination:
 
Column I Column II
I. Neoprene A. Synthetic wool
II. Acrolein B. Paint
III. LDP C. Flexible pipes
IV. Glyptal D. Gaskets

1. II - D, IV - B III - A, I - C
2. II – C, IV – D, III – A, I - C
3. II – A, IV – B, III – C, I - D
4. II – B, IV – C, III – D, I – A
Subtopic:  Application of Polymers |
Level 4: Below 35%
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Which of the following is incorrect about Buna-N?
 
1. N stands for acrylonitrile
2. Buna-N is formed by butadiene & styrene
3. Buna-N is an addition polymer
4. Buna-N is a copolymer
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 76%
Level 2: 60%+
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Statement I:  Natural rubber is a linear polymer of isoprene unit with cis isomer.
Statement II:  The polymer of isoprene is polar and has a coil-like structure.
 

1. Statement I is correct only.
2. Statement II is correct only.
3. Both statements I and II are correct.
4. None of the Statements are correct.
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 65%
Level 2: 60%+
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Which of the given combination is correct.
Column-I Column-II
(i) Homopolymer Buna-S
(ii) Fiber Nylon 6,6
(iii) Condensation polymer Dacron
(iv) Addition polymer Teflon

1. (i), (ii), (iii)
2. (ii), (iii), (iv)
3. (i), (iii), (iv)
4. (i), (ii), (iv)
Subtopic:  Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 82%
Level 1: 80%+
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Match Column I with Column II.

Column I
(Monomer Unit) 
Column II
(Polymer)
(a) Caprolactam (i) Natural rubber
(b) 2-Chloro-1,3-butadiene (ii) Buna-N
(c) Isoprene (iii) Nylon 6
(d) Acrylonitrile (iv) Neoprene

Choose the correct answer from the options given below:

(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (ii) (i) (iv) (iii)
3. (iii) (iv) (i) (ii)
4. (i) (ii) (iii) (iv)
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 88%
Level 1: 80%+
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In polymer Buna-S: 'S' stands for :-

1. Sulphonation

2. Strength

3. Sulphur

4. Styrene

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Which statement is correct ?

1. Synthesis of Buna-S needs nascent oxygen.

2. Neoprene is an addition copolymer used in plastic bucket manufacturing.

3. Buna-S is a synthetic and linear thermosetting polymer.

4. Buna-N is a natural polymer.

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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The polymers is not obtained by condensation polymerisation among the following is-

1.  Buna - N
2.  Bakelite
3.  Nylon 6
4.  Nylon 6, 6

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 66%
Level 2: 60%+
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Select the correct option based on statements below:

Assertion (A): Ethene polymerized in the presence of Ziegler Natta catalyst at high temperature and pressure is used to make buckets and dustbins
Reason (R): High density polymers are closely packed and are chemically inert.
  
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 |
 65%
Level 2: 60%+
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