Single correct · +4 / −1
Natural rubber is a polymer of:
- (a) Ethylene
- (b) Isoprene (2-methyl-1,3-butadiene)
- (c) Butadiene
- (d) Acrylonitrile
Answer and solution
Answer (b) Isoprene (2-methyl-1,3-butadiene)
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