1.

Natural rubber is a polymer ofA. butadieneB. ethyneC. styreneD. isoprene

Answer» Correct Answer - D
Polyisoprene is the natural rubber which is the polymer of isoprene.
`n-[CH_(2)=underset(("Isoprene monomer"))(CH-underset(CH_(3))underset(|)C=CH_(2))-]overset("Polymerisation")to`
`-[underset(("polymer"))underset("Polyisoprene (Natural rubber)" ^(n))(CH_(2)-CH=underset(CH_(3))underset(|)C-CH_(2))-]`


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