1.

Aluminium is produced on a large scale by electrolysis of alumina, dissolved in fused cryolite and a little fluorspar are respectively ___________.

Answer»

`Na_(3)AIF_(6)` and `CaF_(2)`
`AlF_(3)` and KF
`Al_(2)O_(3)` and KCL
`KCl.MgCl_(2).6H_(2)O` and `MgF_(2)`

Answer :A


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