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Assertion : In the metallury of aluminiu...

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

1. If both assertion and reason are true and reason is the correct explanation of assertion .

B

2. if both assertion and reason are true but reason is not the correct explanation of assertion

C

3. If assertion is true but reason is false

D

4. If both assertion and reason are false.

Text Solution

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The correct Answer is:
A
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