Correct Answer - Buna-N `rarr` Copolymer of `1,2-`butadiene and acrylnitride
Buna-S `rarr` Copolymer of `1,3-` butadiene and styrene.
Buna-N `rarr` Copolymer of `1,2-`butadiene and acrylnitride
Buna-S `rarr` Copolymer of `1,3-` butadiene and styrene.