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
If a beam of light is passed through true solution, then it is
visible
scatter
not visible
none of these
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
The molecular species or substance,which concentrates or accumulates at the surface is termed as ________
absorbate
adsorbate
adsorbent
absorbent
The method usually employed for the precipitation of a colloidal solution is
Dialysis
Addition of electrolytes
Diffusion through animal membrane
Condensation
For adsorption of a gas on a solid, the plot of log x/m vs log p is linear with slope equal to (n being a whole number)
k
log k
n
1/n
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
desorption
Sorption
At the critical micelle concentration (CMC) the surfactant molecules
Decompose
Dissociate
Associate
Become completely soluble
Both adsorption and absorption can take place simultaneously,the _______________term is used to describe both the processes.
chemisorption
sorption
Chemisorption is generally ______________in nature.
Irreversible
reversible
temperory
endothermic
