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Physisorption

The migration...

Question

The migration of positively-charged colloidal particles under an electrical field, towards the cathode is called:

A

Cataphoresis

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B

Electrosmosis

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C

Sedimentation

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D

Electrodialysis

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Solution

The correct option is A Cataphoresis
If the experiment is set such that only the colloidal particles are allowed to move and not the dispersion media particles it is known as cataphoresis or electrophoresis.

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