Surfaces And Catalysis QUESTIONS AND ANSWERS

IIT JEE : Surfaces And Catalysis QUESTIONS AND ANSWERS :: part2 : 1 to 5

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

1.Which of the following is homogeneous?

an emulsion

a sol

a suspension

none of these.

2.Colloidal solution of metals like gold, platinum, etc. can be obtained by

Bredigs arc method

Peptisation

Hydrolysis of their salts

Oxidation of their salts.

3.Soap is a sodium salt of higher fatty acids. When soap is added to water, the colloidal solution obtained contains �� colloidal particles.

Positively charged

Negatively charged

Neutral in nature

Not ionized.

4.The colloidal solution of a solid as dispersed phase and a gas as the dispersion medium is known as

Sol

Gel

Aerosol

Solid foam.

5.Colloidal solutions are classified on the basis of

Molecular size

Size of colloidal particles

Organic or inorganic

Surface tension.

More Surfaces And Catalysis QUESTIONS AND ANSWERS available in next pages

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