Embibe Experts Solutions for Chapter: Surface Chemistry, Exercise 1: Level 1

Colloidal solution of gold prepared by different methods is of different colours because:

An example of extrinsic colloid (lyophobic colloids) is:

Peptisation is:

Bleeding is stopped by the application of ferric chloride. This is because:

Protective sols are:

Which of the following statements is not correct?

Select correct statement $\left(\mathrm{s}\right)$:

A reddish brown sol (containing ${\mathrm{Fe}}^{3+}$) is obtained by