The cloudy appearance of soap solution is due to:
Scattering of light by micelles
Soap forms colloidal particles called micelles when dissolved in water. These micelles scatter light passing through the solution (the Tyndall effect), giving the solution its cloudy appearance.
Hence, the correct answer is Scattering of light by micelles (A).
Important Questions from Surface Chemistry
- What is the name of the effect seen when light is scattered by tiny particles in a colloidal solution?
- Which one of the following is not a colloid ?
The following item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below :
Statement I : Catalytic hydrogenation is highest when the catalyst remains in the powdered form
Statement II : When a catalyst is in the powdered form, its surface area becomes highestOn adding some detergent to water, the surface tension
- The process by which a chemical change takes place in a substance when electric current is passed through it is called
