1) The monomers of buna-S rubber are A) Isoprene and butadiene B) Butadiene and phenol C) Styrene and butadiene D) Vinyl chloride and sulphur Answer: Option CExplanation: The monomers present in buna-S rubber are (i)1,3 butadiene $ (CH_{2}=CH-CH=CH_{2})$
