WAEC Chemistry 2015 Objective — Question 37
Question 37 of 50 from the West African Examinations Council (WAEC) Chemistry 2015 Objective paper, with the correct answer and a full explanation.
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Consider the following reaction equation: CuO(s)+H₂(g)→Cu(s)+H₂O(l). Which substance is oxidized?
- A. Cu
- B. CuO
- C. HCorrect
- D. H₂O
Explanation
Oxidation is the addition of oxygen (or loss of electrons); since oxygen is added to H₂ to form H₂O, hydrogen (H) is oxidized.
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