1.

In the electrolytic process for the extraction of aluminium, the electrolyte is :

Answer»

`AL(OH)_(3)` in NaOH solution
An aqueous solution of `Al_(2)(SO_(4))_(3)`
A MOLTEN mixture of `Al_(2)O_(3) " and " Na_(3)AlF_(6)`
A molten mixute of `Al_(2)O_(3) " and " Al(OH)_(3)`

Solution :Electrolyte is molten mixture of `Al_(2)O_(3)` (alumina) and `Na_(3)AlF_(6)` (cryolite)


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