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Which of the following gases is colourless, odourless and soluble in potassium ...

Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A NO 2
  • B SO 2
  • C NH 2
  • D CO3
Correct Answer: Option D
Explanation:

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