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| 1. |
Physical adsorption of a gaseous species may change to chemical adsorption with ___________ . [NCERT Exemplar] (a) decrease in temperature (b) increase in temperature (c) increase in surface area of adsorbent (d) decrease in surface area of adsorbent |
| Answer» OPTION (a)Physical adsorption of a GASEOUS species MAY CHANGE to chemical adsorption with DECREASE in temperature. | |