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Which of the following is not true? (1) Natural rubber has ‘trans’ configuration at every double bond. (2) Natural rubber is 1, 4-polymer of isoprene. (3) In vulcanisation the rubber becomes harder and stronger. (4) Buna-S is a co-polymer of Butene and styrene. |
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Answer» Correct option (1) & (4) Explanation: Natural rubber is cis-polyisoprene Buna-S is a co-polymer of Butadiene and styrene. |
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