1. Which of the following can adsorb larger volume of hydrogen gas?

2. Which of the following gases present in a polluted area will be adsorbed most easily on the charcoal gas mask?

3. Which kind of catalysis can be explained on the basis of adsorption theory ?

4. A colloidal system is which liquid is dispersed phase and solid is dispersion medium is classified as

5. Which of the following will not form a colloidal system?

6. Fog in an example of colloidal system of

7. Substances which behave as normal electrolytes solution at low concentration and exhibit colloids properties at higher concentration are called

8. Which of the following acts as the best coagulating agent for ferric hydroxide sol?

9. The formation of micelles takes place only above

10. At CMC (critical micelle concentration) the surface molecules