1.

Assertion: In vulcanisation of rubber , sulphur cross links are introduced. Reason: Vulcanisation is a free radical intiated chain reaction.

Answer»

If both assertion and reason are trueand reason is the CORRECT explanationof assertion .
If both assertion and reason are true but reason is not the correct explanationof assertion .
If assertion is true but reason is false.
If both assertion and reason are false.

SOLUTION :Vulcanisation is a process of treating natural rubber with sulphur or some compounds of sulphur under heat so as to modify its properties. This corss-linking gives MECHANICAL STRENGTH to the rubber .


Discussion

No Comment Found

Related InterviewSolutions