1.

Assertion (A): Polymers like Buna-S, Buna-N and Neoprene are elastomeric polymers. Reason (R) In polymers like Buna-S and Buna-N, the polymer chains are held togetherby weakest intermolecular forces which allow the polymer to be stretched.

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 :A


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