The nitrogen obtained from air has a density higher than the one from nitrogen-containing compounds because the one from air is contaminated with? by Sunday | Sep 17 | Chemistry JAMB | 0 comments A. water vapour B. oxgyen C. rare gases D. carbon (IV) oxide Correct Answer: Option C – rare gases Users Also Read These:In the nitrogen cycle, the nitrates in the soil are…A block of wood of density 0.6 gcm‾³, weighing 3.06N…The Mediterranean Sea has a higher salinity than the…The boiling point of pentane is higher than that of…The Red Sea has a higher degree of salinity than the…