Class 12 Chemistry Chapter 15 Polymers Objective Type Questions and Answers | Class 12 Chemistry Chapter 15 Polymers Quiz

(1) Which one of the following polymers prepared by condensation polymerization ?

[A] Nylon-66

[B] Teflon

[C] Rubber

[D] Styrene

Answer: Nylon-66

(2) [NH(CH)₂NHCO(CH₂)₄CO]_nis a:

[A] co-polymer

[B] addition polymer

[C] thermo-setting polymer

[D] homopolymer

Answer: co-polymer

(3) Condensation of caprolactam gives:

[A] nylon-6,6

[B] nylon-6

[C] nitrile rubber

[D] nylon-6,10

Answer: nylon-6

(4) PMMA is the polymer of

[A] methylmethacrylate

[B] methylacrylate

[C] methacrylate

[D] ethylacrylate

Answer: methylmethacrylate

(5) The bakelite is made from phenol and formaldehyde. The initial reaction between the two compounds is an example of:

[A] aromatic electrophilic substitution

[B] aromatic nucleophilic substitution

[C] free radical reaction

[D] aldol reaction

Answer: aromatic electrophilic substitution

(6) Of the following which is a step growth polymer?

[A] Bakelite

[B] Polyethylene

[C] Teflon

[D] PVC

Answer: Bakelite

(7) The catalyst used in the manufacture of polythene by Ziegler method is:

[A] titanium tetrachloride and triphenyl aluminium

[B] titanium tetrachloride and triethyl aluminium

[C] titanium dioxide

[D] titanium isopropoxide

Answer: titanium tetrachloride and triethyl aluminium

(8) PDI for natural polymers is generally close to:

[A] 1

[B] 10

[C] 100

[D] zero

Answer: 1

(9) Nylons, polyesters and cotton, all possess strength due to:

[A] intermolecule H-bonding

[B] van der Waals’ attraction

[C] dipole-dipole interaction

[D] none of the above

Answer: intermolecule H-bonding

(10) Which of the following is wrong?

[A] PMMA is called plexiglass

[B] PTFE is called teflon

[C] SBR is called natural rubber

[D] LDPE is called low density polyethylene

Answer: SBR is called natural rubber

(11) Which of the following natural products is not a polymer ?

[A] DNA

[B] Cellulose

[C] ATP

[D] Urease

Answer: ATP

(12) Which one is a homopolymer?

[A] Bakelite

[B] Nylon-6,6

[C] Terylene

[D] Neoprene

Answer: Neoprene

(13) The monomer units of PTFE are:

[A] Cl₂CH-CH₃

[B] F₂C=CF₂

[C] F₃C-CF₃

[D] FClC=CF₂

Answer: FClC=CF₂

(14) Which of the following cannot be grouped as polyolefins?

[A] Polystyrene

[B] Polypropene

[C] Polystyrene

[D] Polyoxyethene

Answer: Polyoxyethene

(15) Which of the following is not a fibre?

[A] Terylene

[B] Nylons

[C] Polyacrylonitrile

[D] Polychloroprene

Answer: Polychloroprene

(16) Natural silk and artificial silk differ in one respect that one of them contains:

[A] N

[B] S

[C] P

[D] none of these

Answer: N

(17) Which one of the following pairs is not correctly matched?

[A] Terylene—condensation polymer of terephthalic acid and ethylene glycol

[B] Teflon—thermally stable cross-linked polymer of phenol and formaldehyde

[C] Perspex—a homopolymer of methyl methacrylate

[D] Synthetic rubber —a copolymer of butadiene and styrene

Answer: Teflon—thermally stable cross-linked polymer of phenol and formaldehyde

(18) A polymer of prop-2-enenitrile is called

[A] saran

[B] orlon

[C] dacron

[D] tetron

Answer: orlon

(19) The monomer units of silicons a water repellant, acid resistant and heat resistant polymer is:

[A] Si

[B] SiO₂

[C] R₂SiO

[D] none of these

Answer: R₂SiO

(20) Caprolactam can be obtained from:

[A] benzaldehyde

[B] cyclohexane

[C] benzophenone

[D] adipic acid

Answer: cyclohexane

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Class 12 Chemistry Chapter 15 Polymers MCQs | Class 12 Chemistry Chapter 15 Polymers Objective Type Questions and Answers

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