The gas having average speed four times as that of SO2 (molecular mass – 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.	O<sub>2</sub>(molecular mass 4)
C.	H<sub>2</sub>(molecular mass 32)
D.	CH<sub>4</sub>(molecular mass 16)
Answer» B. O<sub>2</sub>(molecular mass 4)

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