Question

4. Explain Tyndall effect. How you can show that milk is not a true solution?
​

Answer 1

Tyndall effect, also called Tyndall phenomenon, scattering of a beam of light by a medium containing small suspended particles—e.g., smoke or dust in a room, which makes visible a light beam entering a window.

Milk is not a solution because it has more than one phase suspended in it -- it has a liquid phase and a solid phase. Unhomogenized milk is not a solution, it's a suspension because the fat (aka cream) will separate from the rest of the milk and rise to the top, since fat is less dense than water.

Answer 2

Answer:

the scattering of beam of a light is called the tyndall effect,after the name of the scientist who discovered it.milk is a colloidal solution which is a heterogeneous mixture.