SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at

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Q. SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at

(A) 2:1
(B) 1:3
(C) 3:1
(D) 1:2

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✅ Correct Answer: (B) 1:3

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