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JAMB Chemistry 2005 Question 24

Question 24

Environmental Pollution

The gas that is the most dangerous pollutant to humans is

  1. A.sulphur (IV) oxide
  2. B.carbon (IV) oxide
  3. C.nitrogen (II) oxide
  4. D.hydrogen sulphide
Show the answer and explanation

Answer: D (hydrogen sulphide)

Explanation

Hydrogen sulphide is extremely poisonous, even more toxic than carbon(II) oxide; small concentrations can paralyse breathing.