Surface Chemistry Class 12 MCQs Questions with Answers

1. Which one of the following is correctly matched?

2. Which one of the following is alyophilic colloid?

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

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

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

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

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

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

10. Homogeneous catalysis does mean:

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

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

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

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

15. Colloidal solutions are classified on the basis of:

16. Lyophillic colloids are stable due to:

17.  The cause of Brownian movement is:

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

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

20. Shape selective catalysis is a reaction catalysed by: