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1. |
*$_The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the? |
A. | Differential heat of adsorption |
B. | Heat of wetting |
C. | Integral heat of adsorption |
D. | None of these |
Answer» B. Heat of wetting | |