Polymers  MCQs

MCQs of Polymers

Showing 21 to 30 out of 168 Questions
1 2 3 4 5 6
21.
Which monomer is used for preparation of orlon ?
(a) CF2 = CF2
(b) CH2 = CH-CN
(c) CH2 = CHCl
(d) CH2 = CH-OH
Answer:

Option (b)

22.
_____ possesses biodegradable property.
(a) PTFE
(b) PAN
(c) SBR
(d) PHBV
Answer:

Option (d)

23.
Which choice is correct for synthetic polymer substance ?
(a) Mn¯ = Mw¯ 
(b) Mn¯ > Mw¯ 
(c) Mw¯ > Mn¯ 
(d) Mw¯ < Mn¯ 
Answer:

Option (c)

24.
If the value repeating unit 'n' is less than _____ , then that polymer is called oligomer.
(a) 500
(b) 100
(c) 25
(d) 1000
Answer:

Option (c)

25.
Which application of oligomer is no proper ?
(a) To prepare adhesives
(b) To prepare plastic paints
(c) To prepare orthopedic materials
(d) All of the above
Answer:

Option (c)

26.
Which of the following is not a semi-synthetic polymer ?
(a) Resin
(b) Rayon
(c) Vulcanized rubber
(d) Cellulose nitrate
Answer:

Option (a)

27.
From the following pairs which one is improper ?
(a) Plastic - Polyester
(b) Synthetic fibres - polythene
(c) Synthetic rubber - orlon
(d) All of the above
Answer:

Option (d)

28.
Which pair is proper for the linear polymer available in nature ?
(a) Cotton, linen
(b) Silk, nylon
(c) wool, orlon
(d) Linen, terylene
Answer:

Option (a)

29.
Which of the following polymers is elastomer ?
(a) PVC
(b) Nylon
(c) Buna-S
(d) Terylene
Answer:

Option (c)

30.
Classify the following polymers into thermoplastic 'X' and thermosetting 'Y' polymers. (i) PVC (ii) Melamine (iii) Butyl rubber (iv) Nylon-6
(a) X → (i), (ii); Y → (iii), (iv)
(b) X → (i), (iv); Y → (ii), (iii)
(c) X → (i), (iii), (iv); Y → (ii)
(d) X → (i), (iii); Y → (ii), (iv)
Answer:

Option (c)

Showing 21 to 30 out of 168 Questions
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