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15/09/2020 12:16 pm
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Which of the following is a natural polymer?
(1) poly (Butadiene-styrene)
(2) polybutadiene
(3) poly (Butadiene-acrylonitrile)
(4) cis-1, 4-polyisoprene
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15/09/2020 12:17 pm
Correct answer: (4) cis-1, 4-polyisoprene