The material on the surface of which the adsorption takes place is known as ____________
adsorbate
absorbate
adsorbent
absorbent
Position of non-polar and polar parts in micelle is
Polar at outer surface but non-polar at inner surface
Polar at inner surface but non-polar at outer surface
Distributed all over the surface
Present in the surface only
Chemisorption is generally ______________in nature.
Irreversible
reversible
temperory
endothermic
At the critical micelle concentration (CMC) the surfactant molecules
Decompose
Dissociate
Associate
Become completely soluble
The extent of adsorption increases with the increase of __________of the adsorbent.
Pressure
temperature
surface area
quantity
Which one of the following forms micelles in aqueous solution above certain concentration?
Urea
Dodecyl trimethyl ammonium chloride
Pyridium chloride
Glucose
An important Zeolite catalyst used in petroleum industry is ______________
ZSM-1
ZSM-3
ZSM-0
ZSM-5
Physical adsorption of a gas by a solid is generally _____________
Reversible
Permanent
Stable
_____________arises due to the fact that the surface particles of the adsorbent are not in the same environment as the particles inside the bulk.
Absorption
Adsorption
desorption
Sorption
The ability of anion to bring about coagulation of a given colloid depends upon
Its charge
Th sign of the charge alone
The magnitude of its of its charge
Both magnitude and sign of its charge
