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

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Chemistry WAEC 2000

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

  • NO 2
  • SO 2
  • NH 3
  • CO2 checkmark

The correct answer is: 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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