In which of the following, sediment will not be observed on standing for some time ? (a) Chalk powder and water  (b) Egg albumin and water  (c) Soil and water  (d) Fine sand and water

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Please find the solution to the asked query:

The suspensions formed by mixing chalk powder in water, soil in water and fine sand in water deposit as sediments even after the mixture is allowed to stand for some time.

The mixture of egg albumin and water forms a colloid, no residue or sediment will settle down, because the size of colloidal particles are between 1-1000 nm and smaller than the particles of a suspension. Hence they do not settle down.

Thus, option (b) is correct.

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