1.

Methylene blue in aqueous solution, is adsorbed on activated charcoal at\[25{}^\circ C\]. For this process, the correct statement is

A. The adsorption is accompanied by a decrease in enthalpy
B. The adsorption requires activation at \[25{}^\circ C\]
C. The adsorption increases with increases of temperature
D. The adsorption is irreversible
Answer» B. The adsorption requires activation at \[25{}^\circ C\]


Discussion

No Comment Found

Related MCQs