1.

Assertion : For making rubber synthetically , isoprenemolecules are polymerised. Reason : Neoprene (a plymer of chloroprene) is a synthetic rubber.

Answer»

Assertion and reason both are correct STATEMENTS and reason does not explain assertion.
Assertion and reason both are correct statements but reason explains the assertion.
Both assertion and reason are wrong statements.
Assertion is wrong statement and reason is correct statement.

Solution :Correct assertion : POLYMERIZATION of isoprene in the LABORATORY GIVES all trans-polyisoprene ALSO called gutt-percha.


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