Download PDF
Free download in PDF Class 12 Chemistry Chapter 15 Polymers Objective Type Questions and 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 one of the following polymers prepared by condensation polymerization ?
[A]
Nylon-66
[B]
Teflon
[C]
Rubber
[D]
Styrene
(2)
[NH(CH)2NHCO(CH2)4CO]nis a:
[A]
co-polymer
[B]
addition polymer
[C]
thermo-setting polymer
[D]
homopolymer
(3)
Condensation of caprolactam gives:
[A]
nylon-6,6
[B]
nylon-6
[C]
nitrile rubber
[D]
nylon-6,10
(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
(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
(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
(12)
Which one is a homopolymer?
[A]
Bakelite
[B]
Nylon-6,6
[C]
Terylene
[D]
Neoprene
(13)
The monomer units of PTFE are:
[A]
Cl2CH-CH3
[B]
F2C=CF2
[C]
F3C-CF3
[D]
FClC=CF2
(14)
Which of the following cannot be grouped as polyolefins?
[A]
Polystyrene
[B]
Polypropene
[C]
Polystyrene
[D]
Polyoxyethene
(15)
Which of the following is not a fibre?
[A]
Terylene
[B]
Nylons
[C]
Polyacrylonitrile
[D]
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
(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
(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
(20)
Caprolactam can be obtained from:
[A]
benzaldehyde
[B]
cyclohexane
[C]
benzophenone
[D]
adipic acid
Take Mock Tests
Chapters