When air is passed through alkaline pyrogallol and then over quicklime, the only gases left...

Chemistry

JAMB 1982

When air is passed through alkaline pyrogallol and then over quicklime, the only gases left are?

A. nitrogen and carbondoxide
B. the rare gases
C. nitrogen and oxygen
D. nitrogen and the rare gases
E. nitrogen, carbonioxide and the rare gases

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Correct Answer: Option D

Explanation

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When air is passed through alkaline pyrogallol and then over quicklime, the only gases left...

Correct Answer: Option D

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