It is due to force of attraction between dispersed phase and dispersion medium.They are self stabilised because of strong attractive forces operating between the suspended particels and dispersion medium. for example gums, gelatin etc.
134 Views
Advertisement
Explain the following observations: (a) Cottrell’s smoke precipitator is fitted at the mouth of the chimney used in factories. (b) Physical adosption is multi layered, while chemisorption non-tayered.
867 Views
What causes Brownian movement in a colloidal solution?
426 Views
Describe electrophoresis briefly.
232 Views
What are the factors which influence the adsorption of a gas on a solid?
130 Views
Advertisement
Give reason why a finely divided substance is much more effective as an adsorbent.
192 Views
Sky appears blue in colour. Why?
581 Views
Which has a higher enthalpy of adsorption, physisorption or chemisorption?
386 Views
Long Answer Type
Distinguish between the meaning of the terms adsorption and absorption. Give one example of each.
206 Views
Advertisement
<
What is the difference between physisorption and chemisorption?