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

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Chemistry WAEC 2017

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

  • Nitrogen(II) oxide and Carbon(IV) oxide
  • Carbon(IV) oxide and Nitrogen
  • Carbon(II) oxide and Sulphur(IV) oxide checkmark
  • Carbon(II) oxide and oxygen

The correct answer is: C

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