1.

Which of the following statement is incorrect regarding the metallurgy of aluminium by electrolystic method ?

Answer»

Electrolyte is `Al_(2)O_(3)` dissolved in `Na_(2)AlF_(3)` containing a LITTLE of `CaF_(2)`
BAUXITE ore is purified before CARRYING out the electrolysis
Aluminium being HEAVIER than electrolyte floats over the surface of the latter
Anode consist of a NUMBER of graphite rods which are periodically replaced

Answer :C


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