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Explain the difference between a homogen...

Explain the difference between a homogeneous and heterogeneous catalyst. Give an example of each.

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Homogeneous And Heterogeneous Catalysts

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MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. Describe a comspicuous change observed when (i) a solution of NaCl...

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  2. Enzyme Catalysis

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  3. Explain the difference between a homogeneous and heterogeneous catalys...

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  4. Taking two examples of heterogeneously catalyzed reactions, explain ho...

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  5. What are protective colloids? How are the colloids stabilised? Explain...

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  6. Give two differences between macromolecular colloids and associated co...

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  7. Explain the following terms : (i) "Peptization"" "(ii)"Loyphobic co...

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  8. What are associated colloids ?

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  9. Give reason why a finely divided substance is more effective as an ads...

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

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  11. What is the difference between oil/water (O/W) type and water/oil (W/O...

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  12. Physical adsorption is :

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  13. Give one example of oil in water type emulsion.

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  14. Give two differences between lyophilic and lyophobic colloids.

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  15. What is heterogeneous catalysis? Give an example.

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  16. The equation for Freundlich adsorption isotherm is

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  17. What is 'Tyndall effect' ? Name two mixtures which show this effect.

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  18. Define the following terms : (i) Kraft temperature (ii) Peptizati...

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  19. CMC (Critical Micelle Concentration) is

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  20. When negatively charged colloids like As(2)S(3) sol is added to positi...

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