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Question
Which of the following are example of synthetic rubber?
(i) Polychloroprene
(ii) Polyacrylonitrile
(iii) Buna-N
(iv) cis-polyisoprene
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Solution
(i) Polychloroprene
(iii) Buna-N
Explanation:
Polychloroprene is a polymer of chloroprene and it is synthetic rubber.
Buna-N is a synthetic rubber made from the polymerisation of 1, 3-butadiene and acrylonitrile
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| (ii) Wood laminates | (b) Neoprene |
| (iii) Ropes and fibres | (c) Dacron |
| (iv) Polyester fabric | (d) Melamine formaldehyde resins |
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