1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Cis-1, 4-polyisoprene is called

A
buna- $$\mathrm{N}$$
B
neoprene
C
buna-S
D
natural rubber
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which one of the following is a polyamide polymer?
A
Terylene
B
Nylon-6, 6
C
Buna-S
D
Bakelite
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Among the following, the branched chain polymer is
A
polyvinyl chloride
B
bakelite.
C
low density polythene
D
high density polythene
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
$\left(\mathrm{CH}_3\right)_3 \mathrm{SiCl}$ is used during polymerisation of organosilicons because
A
the chain length of organosilicon polymers can be controlled by adding $\left(\mathrm{CH}_3\right)_3 \mathrm{SiCl}$
B
$\left(\mathrm{CH}_3\right)_3 \mathrm{SiCl}$ improves the quality and yield of the polymer
C
$\left(\mathrm{CH}_3\right)_3 \mathrm{SiCl}$ does not block the end terminal of silicone polymer
D
$\left(\mathrm{CH}_3\right)_3 \mathrm{SiCl}$ acts are as a catalyst during polymerisation
KCET Subjects
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