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Give reasons why a finely divided substa...

Give reasons why a finely divided substance is more effective as an adsorbent.

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Powdered substances have greater surface area as compared to their crystalline forms. Greater the surface area, greater is the adsorption.
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BETTER CHOICE PUBLICATION-SURFACE CHEMISTRY -Question Bank
  1. Why the rate of physical adsorption decreases with the rise of tempera...

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  2. Why are powdered substances more effective adsorbents than their cryst...

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  3. Give reasons why a finely divided substance is more effective as an ad...

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  4. What is the difference between physisorption and chemisorption ?

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  5. What are the factors which influence the adsorption of a gas on a soli...

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  6. How does adsorption of gases on solids depend upon : Nature of gas ?

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  7. What is adsorption isotherm ?

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  8. What is adsorption isobar?

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  9. Differentiate between: Adsorption Isotherm and Adsorption Isobar.

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  10. What is adsorption isotherm ?

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  11. Write Freundlich adsorption isotherm equation at high pressures.

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  12. Write Freundlich adsorption isotherm equation at high pressures.

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  13. What is adsorption isotherm ?

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  14. Can adsorption occur from solutions ? Give examples.

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

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  16. Explain two applications of adsorption.

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  17. Define Catalyst and Catalysis.

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

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  19. Give the mechanism of heterogeneous catalysed reaction.

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  20. Give four examples of heterogeneous catalysis.

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