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Distinguish between the meaning of the terms adsorption and absorption. Given one example of each.

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The term sorption for the simultaneous adsorption and absorption is coined by

PRADEEP-SURFACE CHEMISTRY -NCERT (EXERCISES)
  1. Distinguish between the meaning of the terms adsorption and absorption...

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  2. What is the difference between physisorption and chemisorption ?

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

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

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  5. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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  6. What do you understend by activation of adsorbent? How is it achieved ...

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  7. What role does adsorption play in heterogeneous catalysis ?

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  8. Why is adsorption always exothermic ?

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  9. How are the colloidal solutions classified on the the basis of physica...

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  10. Disuss the effect of pressure and temperature on the adsorption of gas...

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

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  12. What is the difference between multimolecular and macromolecular colli...

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

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  14. How are colloid classified on the basis of: ltbtgt (a) physical state ...

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  15. Explain what is observed (i) when a beam of light is passed through ...

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  16. What are emulsions ? What are their different types ? Give an example ...

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  17. What is demulsification ? Name two demulsifiers.

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

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  19. Give four examples of heterogeneous catalysis.

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  20. What do you mean by activity and selectivity of catalysts ?

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