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Extraction of aluminium be understood by...

Extraction of aluminium be understood by :

Electrolytic reduction `Al_(2)O_(3)` :
Electrolyte : `Al_2O_(3) + "Cryolite" + CaF_2`
Carthode : Carbon inside the Fe container
Anode : Graphite rods
The function of fluorspar `(CaF_3)` is

A

To increase the melting point of eletrolyte

B

To increase electrolytic conductivity power

C

To remove the impurities as slag

D

All of these

Text Solution

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The correct Answer is:
B
To increase electrolytic conductivity power
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