Post-UTME Chemistry 2017 Objective — Question 18
Question 18 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2017 Objective paper, with the correct answer and a full explanation.
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Electrolytic method is usually employed in the extraction of
- A. aluminumCorrect
- B. copper
- C. zinc
- D. iron
Explanation
Aluminium, being highly reactive, is extracted by electrolysis of its molten oxide (in cryolite).
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