The major constituent of butyl rubber is ____________
A. Isobutylene
B. Isoprene
C. Chloroprene
D. Acrylonitrile
Answer:A
The major constituent of butyl rubber is ____________
A. Isobutylene B. Isoprene C. Chloroprene D. Acrylonitrile
Explanation: In butyl rubber, isobutylene constitutes (95-99) % and isoprene constitutes (1-5) %.