A) Tyndall effect
B) Cataphoresis
C) Brownian movement
D) None of the above
Correct Answer: B
Solution :
Particles having size between 1-100 nm are called colloids. Colloidal particle in the dispersion medium develops charge so they move to the oppositely charged electrodes known as electrophoresis or cataphoresis. The zig zag movement of colloidal particles is known as Brownian movement. The scattering of light when it passes through a colloidal solution is known as Tyndall effect. Hence, the correct option is [b].
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