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The function of adding cryolite in the e...

The function of adding cryolite in the electrolytic reduction of alumina by Hall Herault process is

A

Dissolve alumina

B

Lower the melting point of alumina

C

Lower the fuel boiling point

D

Increase the electrical conductivity of alumina

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
The function of adding cryolite `(Na_(3)AIF_(6))` in the electrolytic reduction of alumina `(Al_(2)O_(3))` by Hall Heroult process is to
(a) Dissolve alumina `" "` (b) Lower the melting point of alumina
(c) Lower the fuel boiling point `" "` (d) Increases the electrical conducivity of alumina
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