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11. What is desorption?

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12. Define physical and chemical adsorption.

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13. Is adsorption exothermic or endothermic?

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14. What is an adsorption isotherm and isobar?

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15. What are the physical states of dispersed phase and dispersion medium of froth?

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16. Name a few common adsorbents.

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17. What property must a good adsorbent have?

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18. Why colloids are regarded as very good adsorbents?

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19. What do you mean by sorption?

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20. How do the surface molecules have the tendency of adsorption?

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