Surface Chemistry Class 12 MCQs Questions with Answers

1. Colloidal solutions are classified on the basis of:

2.  At CMC (Critical Micellisation Cone) the surface molecules:

3. Which one of the following forms micelles in aqueous solution above certain concentration?

4.  The cause of Brownian movement is:

5. The process of separating a crystalloid, from a colloid by filtration is called

6. Which one of the following is alyophilic colloid?

7. Which one of the following is an example of adsorption?

8. The volume of gases H2, CH4, CO2 and NH3 adsorbed by 1 gm charcoal at 293 K can be given in the order?

9. Homogeneous catalysis does mean:

10. Which one of the following is correctly matched?

11. Which of the following kinds of catalysis can be explained by the adsorption theory?

12. The movement of colloidal particles towards the oppositely charged electrodes on passing electric current is known as:

13.  Volume of one mole of any gas at NTP is:

14. In Freundlich adsorption isotherm x/m = Kp1/n, the value of ‘n’ at low pressure is:

15. Lyophillic colloids are stable due to:

16. The potential difference between the fixed charged layer and the diffused layer having opposite charge is called:

17. The oxide of nitrogen which acts as a catalyst in lead chamber process is:

18.  Which of the following is not correct for enzyme catalysis?

19. Shape selective catalysis is a reaction catalysed by:

20. Given below are a few electrolytes, indicate which one among them will bring about the coagulation of a gold sol quickest and in the least of concentration?