1.

Discuss the main purpose of vulcanization of rubber.

Answer»

Solution :Natural rubber becomes soft at high temperature `(gt 335 K)` and brittle at LOW temperatures `(lt 283 K)` and shows high water absorption CAPACITY. It is soluble in non-polar solvents and is non- resistant to attack by oxidizing agents. To improve upon these physical properties, a PROCESS of vulcanization is carried out.


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