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10 dm^3 of N2 gas and 10 dm^3 of gas x a...

10 `dm^3` of `N_2` gas and 10 `dm^3` of gas x at the same temperature contain the same number of molecules. The gas x is `CO`, `CO_2`, `H_2`, `NO`

A

CO

B

CO_2'

C

H_2'

D

NO

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The correct Answer is:
A
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