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Difine the following terms : (i) Pepiz...

Difine the following terms :
(i) Pepization (ii) Zeta potential (iii) Brownian movement.

Text Solution

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(i) Peptization : For answer, consult section 18.
(ii) Zeta potential : For answer, consult section 21.
(iii) Brownian movement: For answer, consult section 20.
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DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. Adsorption is always exothermic in nature , Do you agree ?

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  2. According to Hardy Schulze rule, the power of coagulation of an ion de...

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  3. What is sorption.

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  4. Why are powdered substance more effective adsorbent than their crystal...

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  5. Homogeneous And Heterogeneous Catalysis

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  6. Write the main reason for the stability of colloidal sols.

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  7. Difine the following terms : (i) Pepization (ii) Zeta potential (iii...

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  8. What are associated colloids ?

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  9. Write one similarity between physisorption and chemisorption.

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  10. Write one difference in each of the following: (i) Lyophobic and Lyo...

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  11. How is Brownain movement responsible for the stability of sol ?

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  12. Name the promoter used in the Haber's process for the manufacture of a...

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  13. The charge on the lyophobic sol particles is due to

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  14. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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  15. What happens when : (a) freshly prepared precipitate of Fe(OH)(3) is...

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  16. (a) Explain how phenomenon of adaorption findss application in heterog...

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  17. Adsorption of gases on solid surface is exothermic because :

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  18. Write differences between physisorption and chemisorption.

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  19. (a) What is Electrophoresis ? (b) What are catalytic promoters ? Giv...

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  20. (a) Write two difference between lyophilic and lyophobic colloids. (...

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