When air which contains the gases Oxygen, nitrogen, carbondioxide, water vapour and the rare gases,...
CHEMISTRY
JAMB 2018
When air which contains the gases Oxygen, nitrogen, carbondioxide, water vapour and the rare gases, is passed through alkaline pyrogallol and then over quicklime, the only gases left are;
- A) nitrogen and carbondioxide
- B) the rare gases
- C) nitrogen and oxygen
- D) nitrogen and the rare gases
Correct Answer: D) nitrogen and the rare gases
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