_The atomic weight of helium is 4 times that of hydrogen. Its diffusio – McqOptions

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1.	_The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times.$?
A.	1/2
B.	4
C.	‚Äö√ √∂2
D.	1/4
Answer» D. 1/4

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