Polymers MCQs | Question – Paper 5

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Topic: Polymers, Test No.: 05, Total MCQs: 10

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Question 1
The species which can best serve as an initiator for the cationic polymerization is: [AIEEE 2012]
A
LiAlH4
B
HNO3
C
AlCl3
D
BaLi
Question 2
The polymer used in orthopedic devices and in controlled drug release is
A
Orlon
B
PTFE
C
SBR
D
PHBV
Question 3
The monomers of Buna-S rubber are
A
vinyl chloride and sulphur
B
butadiene
C
styrene and butadiene
D
isoprene and butadiene
Question 4
The monomers of terylene are
A
phenol and formaldehyde
B
ethylene glycol and phthalic acid
C
adipic acid and hexamethylenediamine
D
ethylene glycol and terephthalic acid
Question 5
The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The polydispersity index of the polymer is
A
<1
B
>1
C
1
D
–1
Question 6
The plastic household crockery is prepared, using
A
melamine and vinyl acetate
B
malonic acid and hexamethylenediamine
C
melamine and tetrafluoroethane
D
melamine and formaldehyde
Question 7
The pyrimidine bases present in DNA are
A
cytosine and thymine
B
cytosine and guanine
C
cytosine and adenine
D
cytosine and uracil
Question 8
The source of Taq polymerase used in PCR is a :
A
Thermophilic fungus
B
Mesophilic fungus
C
Thermophilic bacterium
D
Halophilic bacterium
Question 9
The term anomers of glucose refers to
A
isomers of glucose that differ in configurations at carbons one and four (C-1 and C-4)
B
a mixture of (D)-glucose and (L)-glucose
C
enantiomers of glucose
D
isomers of glucose that differ in configuration at carbon one (C-1)
Question 10
Thermosetting polymer, Bakelite is formed by the reaction of phenol with
A
HCOOH
B
CH3CH2CHO
C
CH3CHO
D
HCHO
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