Which one of the following is an example of adsorption?
A. ammonia in contact with water
B. anhydrous CaCl2 with water
C. silica gel in contact with water vapours
D. all of these
Answer:C
Which one of the following is an example of adsorption?
A. ammonia in contact with water B. anhydrous CaCl2 with water C. silica gel in contact with water vapours D. all of these