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Write any two characteristics of chemiso...

Write any two characteristics of chemisorption.

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CHHAYA PUBLICATION-SURFACE CHEMISTRY-Solved NECRT TEXTBOOK PROBLEMS
  1. Write any two characteristics of chemisorption.

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  2. Why does physisorption decrease with the increase of temperature ?

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

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  4. What is the role of desorption in catalysis ?

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  5. In Haber's process, H(2) is obtained by reacting methane with steam in...

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  6. Why is the ester hydrolysis slow in the beginning and becomes faster a...

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  7. What modification can you suggest in the Hardy Schulze law?

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  8. Why is it essential to wash the precipitate with water before estimati...

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  9. Distinguish between the meaning of the terms adsorption and absorption...

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  10. Write two differeneces between physisorption and chemisorption.

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

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

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  13. What is an adsorption isotherm? Freundlich adsorption isotherm.

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  14. How are the colloidal solutions classified on the basis of physical st...

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  15. Discuss the effect of pressure and temperature on the adsorption of ga...

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  16. What are lyophilic and lyophobic sols? Give one example of each type. ...

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  17. What is the difference between multimolecular and macromolecular collo...

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  18. What are enzymes ? Write in brief the mechanism of enzyme catalysis.

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  19. How are colloids classffied on the basis of physical states of compone...

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  20. How are colloids classffied on the basis of nature of dispersion mediu...

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