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The first step involved in the purificat...

The first step involved in the purification of white bauxite by Serpeck's method is

A

Treatment of bauxite with concentrated solution of caustic soda under pressure at 423K

B

Fusion of powdered bauxite with sodium carbonate

C

Heating of powdered bauxite with coke in a current of nitrogen

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Heating of powdered bauxite with coke in a current in nitrogen to form Aluminium nitride.
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