Q. The correct match between Item-I and Item-II :
Item-I Item-II
(a) Natural rubber (I) 1, 3-butadiene + styrene
(b) Neoprene (II) 1, 3-butadiene + acrylonitrile
(c) Buna-N (III) Chloroprene
(d) Buna-S (IV) Isoprene

 1668  196 JEE MainJEE Main 2020Polymers Report Error

Solution:

Correct answer is (b) (a) - (IV), (b) - (III), (c) - (II), (d) - (I)

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