The method usually employed for the precipitation of a colloidal solution is  

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 ___________

The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed as ___________

Position of non-polar and polar parts in micelle is

At the critical micelle concentration (CMC) the surfactant molecules

_____________arises due to the fact that the surface particles of the adsorbent are not in the same environment as the particles inside the bulk.

The molecular species or substance,which concentrates or accumulates at the surface is termed as ________

The Langmuir adsorption isotherm is deduced by using the asumption that  ____________ .

Physical adsorption of a gas by a solid is generally _____________

Which of the following forms cationic micelles above certain concentration?