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Write a method by which lyophobic colloi...

Write a method by which lyophobic colloids can be coagulated.

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Lyophobic colloids can be coagulated by adding an electrolyte which contains active i.e., ions carrying opposite charge. For details, consult section 23.
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DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. (a) What is enzyme catalysis ? Give an example. (b) What type of emu...

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  2. Give reasons for the following observations : (a) A deal is formed a...

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  3. Write a method by which lyophobic colloids can be coagulated.

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  4. Give reasons for the following observations : (a) Physisorption decr...

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  5. Out of BaCl(2) and KCl, which is more effective in causing coagulation...

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  6. Adsorption is always exothermic in nature , Do you agree ?

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

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  8. What is sorption.

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

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  10. Homogeneous And Heterogeneous Catalysis

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

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

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  13. What are associated colloids ?

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  14. Write one similarity between physisorption and chemisorption.

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

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

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

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

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

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

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