The material on the surface of which the adsorption takes place is known as ____________
adsorbate
absorbate
adsorbent
absorbent
Both adsorption and absorption can take place simultaneously, the term_________is used to describe both the processes.
desorption
chemisorption
sorption
Physisorption
The molecular species or substance,which concentrates or accumulates at the surface is termed as ________
Which is not correct regarding the adsorption of a gas on surface of solid?
On increasing temperature adsorption increases continuously
Enthalpy and entropy change is negative
Distributed all over the surface
Present in the surface only
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 ___________
Chemisorption
Sorption
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 .
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
________have no interfaces.
Solids
liquids
gases
Water and kerosene
