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Enzyme Catalysis...

Enzyme Catalysis

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Statements : Enzymes are protenisns and enrzyme catalyused reactions re called biolgical catalysis . Explanations : The activity of enzyme as catalyst is increased in presence of vitamins .

Assertion : Co-enzymes serves as co-factors in a number of differen enzymes catalysed reaction. Reason : Association of co-enzyme with the apoenzyme is only transient, usually occurring during the course of catalysis.

Adsorption Theory Of Heterogeneous Catalysis

The name catalysis was given by :

Catalyst and Catalysis || Homogenous and Heterogenous Catalysis || Positive, Negative, Auto and Induced Catalysis || Promoters and Poisons

Write one difference in each of the following : Homogeneous catalysis and Heterogenerous catalysis

MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. What is ment by coagulation of colloidal solution ? Describe briefly ...

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  2. Describe a comspicuous change observed when (i) a solution of NaCl...

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  3. Enzyme Catalysis

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

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

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

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

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

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  9. What are associated colloids ?

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

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

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

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  13. Physical adsorption is :

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

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  15. Give two differences between lyophilic and lyophobic colloids.

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  16. What is heterogeneous catalysis? Give an example.

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  17. The equation for Freundlich adsorption isotherm is

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

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

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  20. CMC (Critical Micelle Concentration) is

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