Polymers  MCQs

MCQs of Polymers

Showing 31 to 40 out of 168 Questions
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31.
State true order of right and wrong statements regarding low density polythene. (i) It is chemically inert. (ii) Its boiling point is high due to its lesser density. (iii) Its water absorption capacity is high . (iv) It has more number of polymer molecules containing less molecules mass.
(a) FFFT
(b) TFFT
(c) TTFT
(d) TFTF
Answer:

Option (b)

32.
Cellulose diacetate (rayon) is obtained by acetylation of cellulose with _____ in acidic medium.
(a) (CH3CO)2O
(b) CH3COOH
(c) CH3CONH2
(d) CH3COOC2H5
Answer:

Option (a)

33.
Which rubber is used in place of natural rubber ?
(a) SBR
(b) Buna-N
(c) Butyl rubber
(d) Buna-S
Answer:

Option (c)

34.
Give example (S) of high density thermosetting polymer.
(a) Melamine
(b) Bakelite
(c) Both (A) and (B)
(d) PVC
Answer:

Option (c)

35.
From the following which is not a homopolymer ?
(a) Butyl rubber
(b) Buna-S
(c) Dacron
(d) Bakelite
Answer:

Option (c)

36.
From the following which is a homopolymer ?
(a) Bakelite
(b) Buna-S
(c) Dacron
(d) Butyl rubber
Answer:

Option (d)

37.
Which example of co-polymer is improper ?
(a) Nitrile rubber
(b) SBR
(c) PHBV
(d) PAN
Answer:

Option (d)

38.
Which polymer from the following is a product of condensation polymerization ?
(a) Rubber
(b) Styrene
(c) Nylon-6,6
(d) Teflon
Answer:

Option (c)

39.
What is called to the polymers in which long chain of polymers are held together by weak intermolecular attraction forces ?
(a) Elastomers
(b) Fibres
(c) Thermoplastic polymers
(d) All of the above
Answer:

Option (a)

40.
A = Nylon-66, B = Buna-S; C = Polythene arrange these polymers in increasing order of strength of intermolecular forces.
(a) A < B < C
(b) B > C > A
(c) B < C < A
(d) A < B > C
Answer:

Option (c)

Showing 31 to 40 out of 168 Questions
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