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The Zeta potential is related to which property of colloids? (1) Colour (2) Tyndall effect (3) Charge on the surface of colloidal particles (4) Brownian movement

1. (1) Colour
2. (2) Tyndall effect
3. (3) Charge on the surface of colloidal particles
4. (4) Brownian movement

Correct answer: (3) Charge on the surface of colloidal particles

Solution

Zeta potential is a measure of the electric charge on the surface of colloidal particles, which influences their stability and interaction in a dispersion. A higher zeta potential indicates greater repulsion between particles, reducing the likelihood of aggregation.

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