WAEC Chemistry 2011 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.
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The following substances are ores of metals except
- A. A. bauxite
- B. B. cuprite
- C. C. cassiterite
- D. D. graphiteCorrect
Explanation
Bauxite is an ore of aluminium, cuprite is an ore of copper, cassiterite is an ore of tin; graphite is not an ore at all - it is one of the crystalline allotropes of carbon (the other being diamond).
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