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Question

Which type of polymer is the Buna-S-rubber?

A
Homo polymer
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B
Condensation polymer
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C
Copolymer
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D
None of the above
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Solution

The correct option is C Copolymer
Buna-S Rubber: It is a random co-polymer formed by the emulsion polymerisation of a mixture of 1,3 butadiene and styrene in the presence of peroxide catalyst at 5 degree Celsius and therefore the product is called as cold rubber.

Copolymer is the right answer.

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