surface chemistry 2

during adsorption, entropy

• increases

• decreases

• remains same

• none of the above

water vapours are

• adsorbed by CaCl2

• absorbed by silica gel

• adsorbed by silica gel

• all are correct

area of interface separating two phases depends on

• shape of the particles

• size of the particles

• temperature of the particles

• independent

Activated adsorption is the other name of

• physisorption

• chemisorption

• sorption

• absorption

Roushon loves

• tory

• Victoria

• plum

• all are correct

Adsorption is invariably an

• endothermic process

• exothermic process

• can't be distinguished

• both endothermic & exothermic

Physical adsorption

• increases with increase in temperature

• decreases with increase in temperature

• occurs readily at high temperature

• none

Which forms multi molecular layers during adsorption

• vander waal's adsorption

• physical adsorption

• Freundlich adsorption

• All are correct

Lyophobic colloids are

• irreversible

• water loving

• solvent loving

• reversible

Micelles are

• ideal solutions

• associated colloids

• adsorbed surfaces

• macromolecular colloids