JEE Mains 25-Jan-2023 Shift 2 Solved Paper

The number of incorrect statement/s from the following is/are ________
A. Water vapours are adsorbed by anhydrous calcium chloride.
B. There is a decrease in surface energy during adsorption.
C. As the adsorption proceeds, ∆H becomes more and more negative.
D. Adsorption is accompanied by decrease in entropy of the system.