Jee Main
Surface Chemistry
JEE Main 2023 (Online) 24th January Evening Shift
INTEGER+4 / -12023
The number of statement/s which are the characteristics of physisorption is __________
A. It is highly specific in nature
B. Enthalpy of adsorption is high
C. It decreases with increase in temperature
D. It results into unimolecular layer
E. No activation energy is needed