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Free download in PDF Class 12 Chemistry Chapter 15 Polymers Multiple Choice Questions (MCQs) with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Which of the following is a condensation polymer?
[A]
Teflon
[B]
PVC
[C]
Polyester
[D]
Neoprene
(2)
Which of the following polymers does not involve cross-linkages?
[A]
Vulcanised rubber
[B]
Bakelite
[C]
Melamine
[D]
Teflon
(3)
Composition of Ziegler-Natta catalyst is
[A]
(Et3)3Al.TiCl2
[B]
(Me)3Al.TiCl2
[C]
(Et)3Al.TiCl4
[D]
(Et)3Al.PtCl4
(4)
Which of the following is not an example of addition polymer?
[A]
Polythene
[B]
Polystyrene
[C]
Neoprene
[D]
Nylon 6,6
(5)
Teflon and neoprene are the examples of
[A]
copolymers
[B]
monomers
[C]
homopolymers
[D]
condensation polymers
(6)
Which of the following sets contains only addition polymers?
[A]
Polyethylene, polypropylene, terylene
[B]
Polyethylene, PVC, acrilan
[C]
Buna-S, nylon, polybutadiene
[D]
Bakelite, PVC, polyethylene
Answer: Polyethylene, PVC, acrilan
(7)
Which among the following is a cross-linked polymer?
[A]
Polyesters
[B]
Glycogens
[C]
Melamine-formaldehyde
[D]
Polyvinyl chloride
Answer: Melamine-formaldehyde
(8)
Synthetic polymer prepared by using caprolactam is known as
[A]
terylene
[B]
teflon
[C]
nylon 6
[D]
neoprene
(9)
Polymer which has amide linkage is
[A]
nylon-6, 6
[B]
terylene
[C]
teflon
[D]
bakelite
(10)
Which of the following is not an example of rubber?
[A]
Polychloroprene
[B]
Buna-N
[C]
Butadiene-styrene copolymer
[D]
Polyacrylonitrile
Answer: Polyacrylonitrile
(11)
Which of the following polymers does not have vinylic monomer units?
[A]
Acrilan
[B]
Nylon
[C]
Polystyrene
[D]
Neoprene
(12)
cis-Polyisoprene possesses elastic property because
[A]
It is soft and soluble in non-polar solvent
[B]
It is unsaturated and porous
[C]
It has a coiled structure and chains held together by weak van der waals forces
[D]
It has fibrous structure and reactive sites at various double bonds
Answer: It has a coiled structure and chains held together by weak van der waals forces
(13)
The monomers used in addition polymerisation through free radical should be very pure because
[A]
the traces of impurities act like inhibitors resulting in short chain polymers
[B]
the impurities result in formation of different products
[C]
the polymer formed is impure
[D]
catalyst does not function in presence of impurities
Answer: the traces of impurities act like inhibitors resulting in short chain polymers
(14)
Natural rubber has
[A]
All trans-configuration
[B]
Alternate cis - and trans-configuration
[C]
Random cis - and trans-configuration
[D]
All cis-configuration
Answer: All cis-configuration
(15)
Biodegradable polymer which can be produced from glycine and aminocaproic acid is
[A]
nylon 2-nylon 6
[B]
PHBV
[C]
buna-N
[D]
nylon-6, 6
(16)
Caprolactam is used for the manufacture of
[A]
nylon-6
[B]
tetion
[C]
terylene
[D]
nylon-6 6
(17)
Which of the following organic compounds polymerizes to form the polyester dacron?
[A]
Propylene and para HO — (C6H4)—OH
[B]
Benzoic acid and ethanol
[C]
Terephthalic acid and ethylene glycol
[D]
Benzoic acid and para HO — (C6H4)—OH
Answer: Terephthalic acid and ethylene glycol
(18)
Which of these is not a monomer for a high molecular mass silicone polymer?
[A]
MeSiCl3
[B]
Me2SiCl2
[C]
Me3SiCl
[D]
PhSiCl3
(19)
Which of the following statements is false?
[A]
Artificial silk is derived from cellulose
[B]
Nylon-66 is an example of elastomer
[C]
The repeat unit in natural rubber is isoprene
[D]
Both starch and cellulose are polymers of glucose
Answer: Nylon-66 is an example of elastomer
(20)
The straight chain polymers formed by:
[A]
hydrolysis of (CH3)3SiCl followed by condensation polymerisation
[B]
hydrolysis of CH3SiCl3 followed by condensation polymerisation
[C]
hydrolysis of (CH3)4Si by addition polymerisation
[D]
hydrolysis of (CH3)2SiCl2 followed by condensation polymerisation
Answer: hydrolysis of (CH3)2SiCl2 followed by condensation polymerisation
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