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Taking two examples of heterogeneously c...

Taking two examples of heterogeneously catalyzed reactions, explain how a heterogeneous catalyst helps in the reaction.

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MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. Enzyme Catalysis

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

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

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

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

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

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  7. What are associated colloids ?

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

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

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

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  11. Physical adsorption is :

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

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  13. Give two differences between lyophilic and lyophobic colloids.

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  14. What is heterogeneous catalysis? Give an example.

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  15. The equation for Freundlich adsorption isotherm is

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

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

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  18. CMC (Critical Micelle Concentration) is

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

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  20. (a) In reference to Freundlich adorption isotherm write the expression...

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