WAEC Chemistry 2021 Objective — Question 2
Question 2 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.
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2. Which of the following oxides causes acid rain?
- A. CO
- B. NO2Correct
- C. H2O
- D. NO2
Explanation
Oxides such as NO2 and SO2 dissolve in atmospheric moisture to form acids, which fall as acid rain.
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