928Chemical EngineeringMedium
SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at________?
A2 : 1
B1 : 2
C3 : 1
D1: 3
Correct answer
D. 1: 3
Explanation
The correct answer is 1: 3.