Medium
In the electrolytic process of extraction of aluminum,what is used as the electrolyte?
- A$Al(OH)_3$ in $NaOH$ solution
- B$Al_2(SO_4)_3$ aqueous solution
- CMolten mixture of $Al_2O_3$ and $Na_3AlF_6$
- DMolten mixture of $Al_2O_3$ and $Al(OH)_3$
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