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Chemistry GK · all questions

Solutions and Surface Chemistry
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A solution which contains the maximum amount of the solute that can be dissolved in a given amount of solvent at a particular temperature is called

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Azeotropic mixtures are

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The process of diffusion in gases take place due to the

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The process of separating of cream from milk is called

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Which one of the following statements is not correct?

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Cloud is a colloidal dispersion of

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Which one of the following colloidal systems is represented by soda water?

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Which one of the following is the best example of desiccant?

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Which one of the following is not the result of surface tension?

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When oil floats on water, the surface tension of water

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Muddy water is purified by adding alum due to

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Blood has been found isotonic with

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. . . . . . . . is one of the most important technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.

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If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half litre of water, which of the following physical quantities will not change?

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Which of the following methods helps in separating cream from milk?

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Consider the following statements.
1. During the pressure of osmosis, the solvent travels from the concentrated solution to the dilute solution.
2. In the reverse osmosis, external pressure is applied to the dilute solution.
Which of the statement(s) given above is/are correct?

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Colloidal medicines are more effective because

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Match List-I (Colloidal Dispersion) with List-II (Nature of the Dispersion) and select the correct answer:
List-I List-II
a. Milk 1. Solid in liquid
b. Clouds 2. Liquid in gas
c. Paints 3. Solids in solids
d. Jellies 4. Liquids in liquids
5. Liquid in Solid

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Which one of the following substances is not a mixture?

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Soaps clean surface on the principle is based on

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