Q.

On adding few drops of dilute HCl or FeCl3 to freshly precipitated ferric hydroxide a red coloured colloidal solution is obtained. The phenomenon is known as

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a

Protective action

b

Dialysis

c

Dissolution

d

Peptization

answer is A.

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Detailed Solution

The phenomenon of converting of fresh mass into colloidal state by the action of solute or solvent is known as peptization.

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