The volumes of gases H2, CH4 ,CO2 and NH...

The volumes of gases `H_2`, `CH_4` ,`CO_2` and `NH_3` adsorbed by 1 gm of activated charcoal at 298 K are in the order.

`H_2 > CH_4 > CO_2 > NH_3`

`CH_4 >CO_2 > NH_3 > H_2`

`CO_2 > NH_3 > H_2> CH_4`

`NH_3 > CO_2> CH_4> H_2`

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