Multiple choice

Which of the following forms the natural/synthetic rubber?

  1. Isoprene

  2. Nitro cellulose

  3. Polyethylene

  4. Bakelite

  5. Teflon

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A Correct answer
Explanation

Isoprene is a volatile liquid hydrocarbon obtained from petroleum, whose molecule forms the basic structural unit of natural and synthetic rubbers. Hence, Isoprene is the natural rubber.