1.

Assertion (A): Melamine and acetaldehyde are the monomers for the preparation of melamine polymers. Reason (R) Butadiene-styrene copolymer is quite tough and is a good substitute for natural rubber.

Answer»

Both Assertion (A) and REASON (R) are CORRECT STATEMENTS, and Rerson (R) is the correct explanation of the Assertion (A)
Both Assertion (A) and Reson (R) are correct statements, but Reson (R) is not the correct explanation of the Assertion (A)
Assertion (A) is correct, but Reason (R) is INCORRECT statement.
Assertion (A) is incorrect, but Reason (R) is correct statement.

ANSWER :D


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