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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