On the basis of the data given below, the gas which shows the least adsorption on a definite amount of charcoal is-
|
Gas |
CO2 |
SO2 |
CH4 |
H2 |
|
Critical temp./K |
304 |
630 |
190 |
33 |
1. CO2
2. SO2
3. CH4
4. H2
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