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+1 vote
20.8k views
in Chemistry by (45.7k points)

Which among the following statement(s) is(are) true for the extraction of aluminium from bauxite? 

(A) Hydrated Al2O3 precipitates, when CO2 is bubbled through a solution of sodium aluminate. 

(B) Addition of Na3AlF6 lowers the melting point of alumina. 

(C) CO2 is evolved at the anode during electrolysis. 

(D) The cathode is a steel vessel with a lining of carbon

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1 Answer

+1 vote
by (44.9k points)

Answer: A,B,C,D

(D) The steel vessel with a lining of carbon acts as cathode.

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