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Which one of the following statements is not true? (a) Natural rubber has the trans-configuration at every double bond (b) Buna-S is a copolymer of butadiene and styrene (c) Natural rubber is a 1, 4-polymer of isoprene (d) In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger. |
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Answer» (a) Natural rubber has the trans-configuration at every double bond |
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