Q.

The process of vulcanization makes rubber

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a

soft

b

less elastic

c

soluble in water

d

hard

answer is B.

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Detailed Solution

Vulcanization is a chemical process in which the rubber is heated with sulphur at 373K to 415K. 

The process involves the formation of cross-links between long rubber molecules so as to achieve improved elasticity, resilience, tensile strength, viscosity, hardness and weather resistance.

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