Class 12 Chemistry Chapter 15 Polymers MCQs | Class 12 Chemistry Chapter 15 Polymers Multiple Choice Questions (MCQs) and Answers

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Questions
1 Zeigler – Natta catalyst is used in making
A LDPE
B HDPE
C Polystyrene
D PMMA

Answer:HDPE
2 Natural rubber in a polymer of
A Butadiene
B Ethyne
C Styrene
D Isoprene

Answer: Isoprene
3 Which of the following is a biodegrable polymer?
A Cellulose
B Polyethene
C PVC
D Nylon-6

Answer:Cellulose
4 A polymer of butadiene and acrylonitrile is called
A Buna-2
B Buna-N
C Buna-S
D Buna-A

Answer:Buna-N
5 The manufacture of nylon-6 involves condensation of
A Phenol and formaldehyde
B Urea and formaldehyde
C Adipic acid and hexamethylene diamine
D Ethylene glycol and pthalic acid

Answer: Adipic acid and hexamethylene diamine
6 F2C=CF2 is a monomer of
A Teflon
B Glyptal
C Nylon-6
D Buna-S

Answer:Teflon
7 Which of the following is used in tyre cords?
A Terylene
B Polyethylene
C Polypropylene
D Nylon-6

Answer:Nylon-6
8 PHBV has _______ type of linkages
A Amide
B Ester
C Diene
D Nitrile

Answer:Ester
9 The vulcanised rubber has
A High water absorption, resistant to oxidation and good elasticity
B High water absorption, susceptible to oxidation and no elasticity
C High water absorption, susceptible to oxidation and good elasticity
D Low water absorption, resistance to oxidation and good elasticity

Answer:Low water absorption, resistance to oxidation and good elasticity
10 Bakelite is an example of
A elastomer
B fibre
C thermoplastic
D thermosetting

Answer:thermosetting
11 Arrange the following polymers is an increasing order of intenqolecular forces: fibre, plastic, elastomer
A Elastomer < Fibre < Plastic
B Elastomer < Plastic < Fibre
C Plastic < Elastomer < Fibre
D Fibre < Elastomer < Plastic

Answer:Elastomer < Plastic < Fibre
12 The S in buna-S refers to
A Sulphur
B Styrene
C Sodium
D Salicylate

Answer:Styrene
13 Identify the type of polymer
(i) -A-A-A-A-A-A-
(ii) -A-B-B-A-A-A-B-A-
A (i) Homopolymer, (ii) Copolymer
B (i) Natural polymer, (ii) Synthetic polymer
C (i) Linear polymer, (ii) Branched polymer
D (i) Fibre, (ii) Elastomer

Answer:(i) Homopolymer, (ii) Copolymer
14 Which of the following are thermoplastic polymers?
A Polythene, urea-formaldehyde, polyvinyls
B Bakelite, polythene, polystyrene
C Polythene, polystyrene, polyvinyls
D Urea-formaldehyde, polystyrene, bakelite

Answer:Polythene, polystyrene, polyvinyls
15 Glycogen, anaturally occuring polymer stored in animals is a
A monosaccharide
B disaccharide
C trisaccharide
D polysaccharide

Answer:polysaccharide
16 Nylon 6, 6 is obtained by condensation polymerisation of
A adipic acid and ethylene glycol
B adipic acid and hexamethylenediamine
C terephthalic acid and ethylene glycol
D adipic acid and phenol

Answer:adipic acid and hexamethylenediamine
17 Terylerte is a condensation polymer of ethylene glycol and
A benzoic acid
B phthalic acid
C dimethyl terephthalate
D salicylic acid

Answer:dimethyl terephthalate
18 Natural rubber is a polymer of
A 1, 1-dimethylbufadiene
B 2-methyl-1, 3-rbutadiene
C 2-chlorobuta-1, 3-diene
D 2-chlorobut-2-ene

Answer:2-methyl-1, 3-rbutadiene
19 Heating rubber with sulphur is known as
A galvanisation
B bessemerisation
C vulcanisation
D sulphonation

Answer:vulcanisation
20 Dacron is an example of
A polyamides
B polypropenes
C polyacrylnitrfle
D polyesters

Answer:polyesters

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