Surfaces And Catalysis QUESTIONS AND ANSWERS

IIT JEE : Surfaces And Catalysis QUESTIONS AND ANSWERS :: part2 : 26 to 30

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

26.Which of the following statements is not correct?

Foam consists of gas as dispersed phase liquid as dispersion medium

Smoke, dust, fog, mist and cloud are examples of aerosols

Sols of metals, metal sulphides, sulphur, acidic dyes are negatively charged.

Among gelatin, gum arabic and potato starch, gelatin has the highest gold number.

27.Gel is a system of

Solid disperse phase-liquid dispersion medium

Solid disperse phase-solid dispersion medium

Liquid disperse phase-solid dispersion medium

Liquid disperse phase-liquid dispersion medium.

28.Which of the following statements is not true?

Milk is an example of an emulsion

Boot-polish is an example of a gel

Clouds are an example of liquid aerosol

Cheese is an example of solid sol.

29.When beam of light is passed through a colloidal solution?

It passes through as such

It is reflected

It is scattered

It is completely absorbed.

More Surfaces And Catalysis QUESTIONS AND ANSWERS available in next pages

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