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The funciton of adding cryolite in the e...

The funciton of adding cryolite in the electrolytic reduction of alumina by Hall-Heroult process is to :

A

dissolve alumina

B

lower the melting point of alumina

C

lower the fuel bill

D

increase the elctrical conductivity of alumina

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The correct Answer is:
A, B, C, D
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Hall-Heroult's process is given by :

Explain the role of cryolite in the electrolytic reduction of alumina.

Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out:

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