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Explain two applications of adsorption....

Explain two applications of adsorption.

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1. Activated charcoal is used in gas masks. It adsorb harmful gases present in the atmosphere.
2. Silica gel is used to adsorb moisture. It thus helps to protect sensitive optical and electronic equipment from moisture during transit.
3. Column chromatography and then layer chromatography is based on the phenomenon of adsorption.
4. The phenomenon of heterogeneous catalysis is based on adsorption.
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BETTER CHOICE PUBLICATION-SURFACE CHEMISTRY -Question Bank
  1. Can adsorption occur from solutions ? Give examples.

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  2. How does adsorption of gases on solids depend upon: Temperature?

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  3. Explain two applications of adsorption.

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  4. Define Catalyst and Catalysis.

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  5. What is heterogeneous catalysis ? What role does adsorption play in he...

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  6. Give the mechanism of heterogeneous catalysed reaction.

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  7. Give four examples of heterogeneous catalysis.

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  8. What name is given to the catalysis when the state of the catalyst is ...

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  9. What name is given to the catalysis when the state of the catalyst is ...

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  10. What name is given to the catalysis which is explained by lock-and-key...

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  11. Write two differences between homogeneous catalysis and heterogeneous ...

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  12. What is homogeneous and heterogeneous catalysis ? Give one example of ...

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  13. Write two differences between homogeneous catalysis and heterogeneous ...

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  14. Explain briefly homogeneous catalysis.

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

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  16. What is shape selective catalysis?

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  17. Describe some features of catalysis by zeolites.

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  18. How do enzymes differ from catalysts ?

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  19. What are Enzymes ? Give important characteristics of enzyme catalysis.

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  20. Give the mechanism of heterogeneous catalysed reaction.

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