WAEC Chemistry 2011 Objective — Question 50

Question 50 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.

Aluminium is extracted electrolysis from

A. A. bauxiteCorrect
B. B. cryolite
C. C. duralumin
D. D. kaolin

Explanation

Aluminium is extracted by the electrolysis of bauxite (cryolite is used to lower the melting point of the electrolyte, not as the source of aluminium).

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