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Thursday, 02 April 2026
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Which of the following gases is the most dangerous pollutant?

Which of the following gases is the most dangerous pollutant?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Hydrogen sulphide
  • B Carbon (lV) oxide
  • C Sulphur (lV) oxide
  • D Carbon (ll) oxide
Correct Answer: Option D
Explanation:
Carbon monoxide is a colourless, odourless and tasteless gas that is produced by the incomplete combustion of fossil fuel. It is the most dangerous of all the pollutant gases and can cause death in very high concentrations.

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