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Four one litre flasks are separately fil...

Four one litre flasks are separately filled with the gases, `O_(2),F_(2),CH_(4)` and `CO_(2)` under the same conditions. The ratio of number of molecules its these gases:

A

`2:2:4:3`

B

`1:1:1:1`

C

`1:2:3:4`

D

`2:3:3:4`

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The correct Answer is:
b
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