

MCQOPTIONS
Saved Bookmarks
1. |
_ When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.$? |
A. | Always lower than |
B. | Always higher than |
C. | Same as |
D. | Dependent on the system; can be either lower or higher than |
Answer» B. Always higher than | |