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Why is adsorption always exothermic?...

Why is adsorption always exothermic?

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Select the correct option given below. a) Chemical combination is always endothermic. b) Chemical decomposition is always exothermic.

What is an adsorption isotherm ? Write the equation of Freundlich adsorption isotherm.

(A) Adsorption is a surface phenomenon. ( R) Adsorption is an exothermic proces.

What is adsorption ? Discuss the mechanism of adsorption of gases on solids.

The langmuir adsorption isotherm is given by

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NCERT TELUGU-SURFACE CHEMISTRY-Exercise
  1. What do you understand by activation of adsorbent? How is it achieved ...

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  2. What role does adsorption play in heterogenous catalysis ?

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  3. Why is adsorption always exothermic?

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  4. How are colloids classified on the basis of interaction between dispe...

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

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  6. What are lyophilic and lyophobic sols ? Give one example for each type...

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  7. What is the dlfferenee between multmolecular and macromolecular colloi...

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  8. What are enzymes ? Give examples ?

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  9. How are colloids classified on the basis of (i) physical states of...

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  10. Explain what is observed (i) when a beam of light is passed throug...

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  11. What are emulsions? What are their different types? Give example of ea...

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  12. What is demulsification ? Name two demulsifiers.

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

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  14. Give two examples for heterogeneous catalysis.

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  15. What do you mean by activity and selectivity of catalyst ?

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  16. Discuss some features of catalysis by zeolites.

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  17. What is shape selective catalysis ?

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  18. Explain the following terms: (i) Electrophoresis (ii) Tyndall ef...

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  19. Give four uses of emulsions.

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  20. What are micelles ? Give one example.

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