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

The polymer containing five methylene groups in it s repeating unit is

A
nylon 6/6
B
nylon 6
C
dacron
D
bakelite
2
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
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