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Is all gases are lighter than air? - Computers & Internet

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Hello and Welcome to FixYa!
NO, not all the gases are lighter than air.
Neon, Hydrogen fluoride, Water (steam), Carbon monoxide, Ammonia, Nitrogen, Hydrogen cyanide, Methane, Ethylene, Acetylene, Methllithium, Diborane,Helium,Hydrogen are Lighter than air.

While; Arsine AsH3, Nitrogen dioxide NO2, Carbon dioxide CO2, Chlorine Cl, Fluorine F are Heavier.

Posted on Jul 29, 2010

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