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In the electrolysis of alumina, cryolite...

In the electrolysis of alumina, cryolite is added to

A

Lower the melting point of alumian

B

Increase the electrical conductivity

C

Minimise the anode effect

D

Remove impurities from alumina

Text Solution

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The correct Answer is:
A, B
In the electrolysis of alumina, cryolite is added. The function of crylite are : (i) To lower the meting point of alumina and (ii) To increases the electrical conductivity
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