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When air is passed through potash and then pyrogallol, the components are noble gases,

When air is passed through potash and then pyrogallol, the components are noble gases,
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Oxygen and carbon (IV) oxide
  • B Oxygen and nitrogen
  • C Nitrogen and water vapour
  • D Water vapour and carbon (IV) oxide
  • E Oxygen and water vapour
Correct Answer: Option C
Explanation:

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