1.

The density of a gas An is three times that of a gas B. if the molecular mass of A is M, the molecular mass of B is [CPMT 1987]

A.                 3 M       
B.                 \[\sqrt{3}\]M
C.                 \[M/3\]               
D.                 \[M/\sqrt{3}\]
Answer» D.                 \[M/\sqrt{3}\]


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