Chemistry WAEC

Which of the following pairs of gases are pollutants from car exhaust?

A. Nitrogen(II) oxide and Carbon(IV) oxide
B. Carbon(IV) oxide and Nitrogen
C. Carbon(II) oxide and Sulphur(IV) oxide
D. Carbon(II) oxide and oxygen

Correct Answer: Option C

C. Carbon(II) oxide and Sulphur(IV) oxide

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