Which of the following is an example

Question:

Which of the following is an example of a synthetic rubber?

(i) Polychloroprene

(ii) Polyacrylonitrile

(iii) Buna-N

(iv) cis-polyisoprene

Solution:

Option (i)  Polychloroprene and (iii)  Buna-N are the answers.

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