Question

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

Answer 1

Tyndall effect is, in fact, the definite test to show the difference between a true and a colloidal solution. it works on the principle that light beams scatter due to the presence of large colloidal particles in the solution which separate the light however in a true solution the particles are not as large enough to scatter the light particles, that is why Tyndall effect is not seen in true solution. The reason is valid for the assertion.

Answer 2

Answer:

The Tyndall effect is the scattering of light as a light beam passes through a colloid. The individual suspension particles scatter and reflect light, making the beam visible. The Tyndall effect was first described by 19th-century physicist John Tyndall.

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.

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Explanation:

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