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Question

Define Tyndall effect. Differentiate between electrophoresis and electroosmosis.

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Solution

Tyndall effect:- Tyndall effect is a scattering of light when a light beam is passed through a colloidal.
Example;- Shining a flashlight beam into a glass of milk is an excellent demonstration of Tyndall effect.
Electrophoresis and electro-osmosis
  • In electrophoresis, solid particles (macromolecule like nucleic acids or protein) is moved using an electric field. But in electro-osmosis, a liquid is moving.
  • In electrophoresis, the support solid material is a gel. But in electro-osmosis, it can be a gel, membrane, capillary, etc.

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