Surface Chemistry Class 12 MCQs Questions with Answers

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

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

3. Homogeneous catalysis does mean:

4.  The cause of Brownian movement is:

5. Which one of the following is correctly matched?

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

7. Colloidal solutions are classified on the basis of:

8. Which one of the following is alyophilic colloid?

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

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

11. 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?

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

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

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

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

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

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

18. Shape selective catalysis is a reaction catalysed by:

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

20. Lyophillic colloids are stable due to: