Surface Chemistry Class 12 MCQs Questions with Answers

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

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

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

4. 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?

5.  The cause of Brownian movement is:

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

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

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

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

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

11. Lyophillic colloids are stable due to:

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

13. Which one of the following is correctly matched?

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

15. Which one of the following is alyophilic colloid?

16. Colloidal solutions are classified on the basis of:

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

18. Homogeneous catalysis does mean:

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

20. Shape selective catalysis is a reaction catalysed by: