Chemistry-
General
Easy
Question
.Extractionofaluminiumcanbeunderstoodby:
Electrolytic reduction of 
Electrolytic:( +Cryolite+
)
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
Thepurposeofaddingcryoliteis:</span
- Todecreasetheelectricalconductivityofpure aluminium
- Tolower themeltingpointof
- Toremovetheimpuritiesasslag
- ToincreasetheAl percentageintheyield
The correct answer is: Tolower themeltingpointof
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