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Purification of alumina is essential bec...

Purification of alumina is essential because :

A

Impure alumina is a very poor conductor of electricity

B

Impure alumina has a very high melting point

C

Impure alumina cannot react with the oxidizing agent

D

It is difficult to purify it purify aluminium metal

Text Solution

Verified by Experts

The correct Answer is:
D
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