1.

The given figure illustrates the refining of aluminium by Hoope’s process. (i) Which of A and B is the cathode and which one is the anode ? (ii) What is the electrolyte in the tank ? (iii) What material is used for the cathode ?

Answer»

(i) A—Cathode, B—Anode. 

(ii) Mixture of fluorides. 

(iii) Graphite



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