At the critical micelle concentration (CMC) the surfactant molecules
Decompose
Dissociate
Associate
Become completely soluble
The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed as ___________
absorption
adsorption
desorption
adhesion
The extent of adsorption increases with the increase of __________of the adsorbent.
Pressure
temperature
surface area
quantity
During dialysis
Only solvent molecules can diffuse
Solvent molecules, ions and colloidal particles can diffuse
All kinds of particles can diffuse through the semipermeable membrane
The process of removing an adsorbed substance from a surface on which it is adsorbed is known as _____________
If a beam of light is passed through true solution, then it is
visible
scatter
not visible
none of these
The material on the surface of which the adsorption takes place is known as ____________
adsorbate
absorbate
adsorbent
absorbent
An important Zeolite catalyst used in petroleum industry is ______________
ZSM-1
ZSM-3
ZSM-0
ZSM-5
If accumulation of gas on the surface of a solid occurs on account of weak van der Waal's forces,the adsorption is termed as ___________
Physisorption
Chemisorption
Sorption
Which of the following forms cationic micelles above certain concentration?
Sodium ethyl suhphate
Sodium acetate
Urea
Cetyl trimethyl ammonium bromide
