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Electrical Properties of Colloids

What happens ...

Question

What happens when electricity is passed through a colloidal solution?

A

Colloidal particles move towards the oppositely charged electrode

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B

Colloidal particles move away from the oppositely charged electrode

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C

Colloidal particles move towards same charged electrode

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D

All of the above

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Solution

The correct option is B Colloidal particles move towards the oppositely charged electrode
Since the colloidal particles are electrically charged, when electric current is passed through a colloid, the colloidal particles move towards the oppositely charged electrode.

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