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Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution?

Chemistry
WAEC 2000

Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution?

  • A. NO 2
  • B. SO 2
  • C. NH 3
  • D. CO2
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Correct Answer: Option D
Explanation

CO2 (carbon dioxide) is a colorless and odourless gas and very soluble in KOH owning that it is an acidic gas.

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