1.

Assertion : In the electrolytic reduction of Al_(2)O_(3), cryolite is used. Reason : Cryolite is an ore of aluminium.

Answer»

If both assetion and reason are CORRECT, and reason is the CORRECT EXPLANATION of the ASSERTION
If both assertion and reason are CORRECT, but reason is NOT the CORRECT explanation of the assertion
If assertion is CORRECT but reason is INCORRECT
If assertion is INCORRECT but reason is CORRECT

Answer :B


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