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What do you understand by activity and s...

What do you understand by activity and selectivity of a catalyst ? Give one example of each.

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Explain the following: Peptization .

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  2. Define: Emulsification

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  3. What do you understand by activity and selectivity of a catalyst ? Giv...

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  4. Explain how the phenomenon of adsorption finds application in the foll...

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  5. State whether the statement is true or false- The alloy used to make b...

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  6. Explain how the phenomenon of adsorption finds application in the foll...

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  7. What are micelles ? Give one example of a micellar system.

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  8. State whether the statement is true or false- The alloy which is made ...

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  9. Magnet is made up of which alloy?

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  10. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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  11. What is meant by coagulation of a colloidal solution ? Describe briefl...

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  12. State whether the statement is true or false- The alloy which is used ...

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  13. In the making of fire arms like guns and pistol, an alloy is used whic...

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  14. Define enzyme catalysis. What is the reason for its specific action ?

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  15. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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  16. Taking two examples of heterogeneous catalytic reactions, explain how ...

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  17. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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  18. Define the following term and give an example : Coagulation .

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  19. Define the following term and give an example : Emulsion.

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  20. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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