Mht CetPolymersMHT CET 2026 16th April Evening ShiftMCQ+1 / -02026Buna-S is prepared fromA1, 3- butadiene and vinyl cyanideB1, 3- butadiene and styreneC1,2 -butadiene and vinyl cyanideD1, 2-butadiene and styreneCheck AnswerClear SelectionReveal AnswerShow Explanation