Colloidal solutions of gold prepared by different methods h…

Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their Properties with Application Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Colloidal solutions of gold prepared by different methods have different colours owing to

The difference in the size of the colloidal particles

The fact that gold exhibits a variable valency of + 1 and + 3

Different concentrations of gold

Presence of different types of foreign particles depending upon the method of preparation of the colloid

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