Chemistry JAMB

The nitrogen obtained from air has a density higher than the one from nitrogen-containing compounds because the one from air is contaminated with?
The nitrogen obtained from air has a density higher than the one from nitrogen-containing compounds because the one from air is contaminated with?The nitrogen obtained from air has a density higher than the one from nitrogen-containing compounds because the one from air is contaminated with?

A. water vapour
B. oxgyen
C. rare gases
D. carbon (IV) oxide

Correct Answer:

Option C – rare gases

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