SBR is produced by the copolymerisation of butadiene & styrene by empl – McqOptions

MCQOPTIONS

1.	SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at
A.	1:3
B.	3:1
C.	1:2
D.	2:1
Answer» B. 3:1

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