IIT JEE : Surfaces And Catalysis QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
16.The colloidal system consisting of a liquid adsorbent and a gas adsorbate is termed as |
Aerosol |
Liquid aerosol |
Foam |
Gel. |
17.Gold number gives an indication of |
Protecting power of colloids |
Purity of gold sol |
Purity of any sol |
Strength of gold sol in moles/per litre. |
18.Which of the following statements is not true for chemisorption? |
It is highly specific |
Involves strong interactions between adsorbent and adsorbate |
Extent of adsorption always decreases with increase in temperature |
Adsorption is restricted to monomolecular layers. |
19.The hydrophobic colloid among the following is |
Gelatin |
Starch |
Sulphur |
Albumin. |
20.Which of the following statements is not true for a lyophobic sol? |
It is irreversible |
It is less stable |
It carries charges |
Its colloidal particles are highly solvated. |
More Surfaces And Catalysis QUESTIONS AND ANSWERS available in next pages
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