Assertion : In the metallury of aluminium , purified `Al_(2)O_(3)` is mixed with `Na_(3)AlF_(6)` or `CaF_(2)` . Reason : `Na_(3)AlF_(6)` or `CaF_(2)` lowers the melting point of mixture and increases its conductivity.A. If both assertion and reason are true and reason is the correct explanation of assertion .B. if both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is falseD. If both assertion and reason are false.

Assertion : In the metallury of aluminium , purified `Al_(2)O_(3)` is

1.	Assertion : In the metallury of aluminium , purified `Al_(2)O_(3)` is mixed with `Na_(3)AlF_(6)` or `CaF_(2)` . Reason : `Na_(3)AlF_(6)` or `CaF_(2)` lowers the melting point of mixture and increases its conductivity.A. If both assertion and reason are true and reason is the correct explanation of assertion .B. if both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is falseD. If both assertion and reason are false.
Answer» Correct Answer - A

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