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When air is passed through alkaline pyrogallol and then lime water, the gases left are

When air is passed through alkaline pyrogallol and then lime water, the gases left are
  • A.
    nitrogen and carbon (IV) oxide
  • B.
    nitrogen and noble gases
  • C.
    nitrogen and oxygen
  • D.
    nitrogen, carbon (VI) oxide and noble gases
  • E.
    the noble gases
Correct Answer: Option B
Explanation

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