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Question

Chemistry Question on Types of Polymerisation Reactions

The rubber, used for manufacturing tyres is vulcanised with

A

3% S

B

7% S

C

1% S

D

All of the above can be used

Answer

7% S

Explanation

Solution

Rubber, vulcanised with 3−10%3-10\% sulphur is more rigid and hence, used for manufacturing tyres. While the rubber, vulcanised with 1−3%1-3\% sulphur is soft and stretchy, so used to make rubber band.