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JAMB Chemistry 1988 Question 30

Question 30

Carbon and its Compounds

Which of the following is used in fire extinguishers?

  1. A.Carbon (II) oxide
  2. B.Carbon (IV) oxide
  3. C.Sulphur (IV) oxide
  4. D.Ammonia.
Show the answer and explanation

Answer: B (Carbon (IV) oxide)

Explanation

Carbon (IV) oxide is denser than air and does not burn or support burning, so it blankets the fire and cuts off oxygen.