1 Surface Chemistry
The volume of gases H2, CH4, CO2 and NH3 adsorbed by 1g of charcoal at 288K are in the order:
1) H2 >CH4 > CO2 > NH3 2) CH2 > CO2 > NH3 > H2 3) CO2 > NH3 > H2 > CH2 4) NH3 > CO2 > CH4 > H2
NH3 > CO2 > CH4 > H2
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