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12th Class Chemistry Polymers / बहुलक

  • question_answer 28)
      Which of the following is not a semi synthetic polymer ? (a) cis-Polyisoprene        (b) Cellulose nitrate (c) Cellulose acetate       (d) Vulcanised rubber

    Answer:

      (A) cis-Poly isoprene is a natural rubber.


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