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Gases are effusing out through a pin hol...

Gases are effusing out through a pin hole of a container containing gas mixture of `H_(2)`, He and `CH_(4)`. What should be the composition of the gas mixture, so that in the initial fom, gas mixture effused out will have equal compositions for all gases?

A

`1:2:8`

B

`7:10:20`

C

`1.414:2:4`

D

None of the above

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The correct Answer is:
B, C
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