state gov UP Police Head Operator (Radio Cadre) Mock Test General Science Chemistry Organic Chemistry
Natural rubber is polymer of
(a) Ethene
(b) Isoprene
(c) Acetylene
1
(b) only
2
(c) only
3
(a), (b), (c)
4
(a) only
Natural rubber is polymer of
(a) Ethene
(b) Isoprene
(c) Acetylene