_________have no interfaces.
Solids
liquids
gases
Water and kerosene
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
The Langmuir adsorption isotherm is deduced by using the asumption that ____________ .
the adsorption takes place in multilayers
the adsorption sites are equivalent in their ability to absorb the particles
the heat of adsorption varies with coverage
the adsorbed molecules varies with each other
Both adsorption and absorption can take place simultaneously,the term_________is used to describe both the processes.
desorption
chemisorption
sorption
Physisorption
The variation in the amount of gas adsorbed by the adsorbent with pressure at constant temperature can be expressed by means of a curve known as ____________.
adsorption isotherm
adsorption isobar
adsorption isotones
Isoelectric
The process of removing an adsorbed substance from a surface on which it is adsorbed is known as _____________
adsorption
absorption
adhesion
Chemisorption is generally ______________in nature.
Irreversible
reversible
temperory
endothermic
When the gas molecules or atoms are held to the solid surface by chemical bonds,the adsorption is termed as______________
Chemisorption
_____________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
Sorption
The method usually employed for the precipitation of a colloidal solution is
Dialysis
Addition of electrolytes
Diffusion through animal membrane
Condensation