Define the following terms:
(ii) Tyndall effect
(i) Sorption: It is a physical and chemical process by which one substance
becomes attached to another.
or, In order to distinguish between adsorption and absorption a common term sorption is used.
(ii) Tyndall Effect: When a beam of light is passed through a colloidal solution and viewed
perpendicular to the path of the incident light, the path of light becomes
visible as a bright streak. The illuminated path is called Tyndall effect.
(iii) Electrophoresis: When electric current is passed through a colloidal solution, the positively
charged particles move towards cathode while negatively charged particles
move towards anode where they lose their charge and get coagulated.
The phenomenon is known as Electrophoresis.