The gas having average speed four times as that of SO2 (molecular mas – McqOptions

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1.	The gas having average speed four times as that of SO2 (molecular mass 64) is ___________
A.	He(molecular mass 64)
B.	O2(molecular mass 4)
C.	H2(molecular mass 32)
D.	CH4(molecular mass 16)
Answer» B. O2(molecular mass 4)

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