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Write two differeneces between physisorp...

Write two differeneces between physisorption and chemisorption.

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CHHAYA PUBLICATION-SURFACE CHEMISTRY-Solved NECRT TEXTBOOK PROBLEMS
  1. Why is it essential to wash the precipitate with water before estimati...

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

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  3. Write two differeneces between physisorption and chemisorption.

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

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

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

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

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

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

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

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

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

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

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  14. How are colloids classffied on the basis of interaction between disper...

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  15. Explain what is observed when a beam of light is passed through a coll...

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  16. Explain what is observed when an electrolyte NaCl is added to hydrated...

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  17. Explain what is observed when electric current is passed through a col...

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  18. What is de-emulsification? Name two de-emulsifiers.

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  19. Action of soap is due to emulsification and micelle formation. Comment

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  20. Give four examples of heterogeneous catalysis.

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