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प्रश्न
What happens when an electric field is applied to a colloidal dispersion?
लघु उत्तर
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उत्तर
When an electric field is applied to a colloidal dispersion, the charged colloidal particles move towards the oppositely charged electrode, a phenomenon called electrophoresis. If the particle movement is restricted by a semipermeable membrane, the dispersion medium moves in the opposite direction, known as electro-osmosis. This behavior confirms that colloidal particles carry a definite charge.
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