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Arrange the following gaseous substances in order of decreasing root mean square velocity at 25°C. argon, fluorine, carbon dioxide, oxygen, helium A. carbon dioxide > fluorine > argon > oxygen > helium B. carbon dioxide > argon > fluorine > oxygen > helium C. argon > oxygen > helium > carbon dioxide > fluorine D. helium > oxygen > fluorine > carbon dioxide > argon E. helium > oxygen > fluorine > argon > carbon dioxide

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Category:- Chemistry
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