Surface Chemistry Class 12 MCQs Questions with Answers

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

2. Which one of the following is alyophilic colloid?

3. Homogeneous catalysis does mean:

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

5. 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?

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

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

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

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

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

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

12. Shape selective catalysis is a reaction catalysed by:

13. Lyophillic colloids are stable due to:

14. Colloidal solutions are classified on the basis of:

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

16. Which one of the following is correctly matched?

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

18.  The cause of Brownian movement is:

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

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