At the same temperature what is the ratio of the r.m.s. velocities of – McqOptions

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1.	At the same temperature what is the ratio of the r.m.s. velocities of two gases of molecular masses 18 and 2?
A.	1 : 3
B.	1 : 9
C.	6 : 1
D.	1 : 81
Answer» B. 1 : 9

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