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What are lyophilic and lyophobic sols?Gi...

What are lyophilic and lyophobic sols?Give one example of each type ? Why is hydrophobic sol easily coagulated ?

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What are lyophilic and lyophobic sols ? Give one example of each type. Which one of these two types of sols is easily coagulated and why?

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DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. What is Tydall effect ? Discuss.

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  2. State Hardy schulze rule.

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  3. What are lyophilic and lyophobic sols?Give one example of each type ? ...

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  4. (a) What is enzyme catalysis ? Give an example. (b) What type of emu...

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

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

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

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

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

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

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  11. What is sorption.

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

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  13. Homogeneous And Heterogeneous Catalysis

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

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

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  16. What are associated colloids ?

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  17. Write one similarity between physisorption and chemisorption.

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

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

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

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