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Class 12 Chemistry: Surface Chemistry
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MCQs on adsorption, catalysis, emulsions, colloids and its classification.

Class 12 Chemistry: Surface Chemistry
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25 Questions

1. What isthe order of diameter of colloidal particles?
2. What is the process called when the molecules of a substance are retained at the surface of a solid or a liquid?
3. A finely divided substance is more effective as an adsorbent.
4. Which of the following statements is not true with respect to chemisorption?
5. Which of the following statements is true with respect to the types of adsorption?
6. Which of the following is not an example of lyophilic colloids?
7. Colloids are classified into lyophobic and lyophilic colloids.
8. What is 'aquadag'?
9. Which of the following does it increase the rate of catalyst?
10. How are colloidal solutions of gold prepared by different colours?
11. Which of the following colloids cannot be formed by direct mixing?
12. Which of the following is not an example of associated colloids?
13. What is the colloidal solution of a gas in liquid called?
14. What are the dispersed phase and dispersion medium in alcohol respectively?
15. Which of the following is present at the time of cracking of hydrocarbons?
16. Which of the following statements is not correct?
17. What is the role of Argyrol?
18. Which of the following decreases the rate of reactions?
19. What is the application of a colloidal solution of silver bromide in gelatine?
20. Under which category is colloidal system?
21. What is the amount of intermediate formed when initial amount is 300 and final amount is 700?
22. By using what can the colloidal particles can be separated from particles of true solution?
23. Which of the following is used to cure arsenic poisoning?
24. Which of the following is false regarding macro-molecular colloids?
25. Which of the following can be used to cause artificial rain?

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