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Differentiate between the following pair...

Differentiate between the following pairs :
(i) Sols and Emulsions ,
(ii) Physical adsorption and chemisorption
(iii0 Lyophobic sols and lyophilic sols.

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Lyophobic sols are:

Lyophilic sols are

Lyophilic sol are

Lyophilic sols are :

Surface of lyophilic sols is

Given one example each of lyophobic sol and lyophilic so .

PRADEEP-SURFACE CHEMISTRY -SHORT ANSWER QUESTIONS (III. COLLOIDS)
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  3. Differentiate between the following pairs : (i) Sols and Emulsions ,...

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

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  5. Classify colloids where dispersion medium is water. State their charac...

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  6. Explain the following terms giving a suitable example for each : (i)...

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  7. Give four difference between lyophilic and lyophobic colloids.

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  8. Explain briefly any three physical methods for the preparation of lyop...

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  9. What are lyophobic sols ? Describe the preparation of a colloidal solu...

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  10. What is peptization ? What is cause of peptization ? Illustrate with o...

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  11. Gold sol is prepared by Breding's arc method.

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  13. Explain Hardy-Schulze rule and peptization. Give examples.

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  15. Explain the observations : Lyophilic colloid is more stable than ly...

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  16. Explain the observations : Coagulation takes place when sodium chlor...

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  17. Explain the observations : Sky appears blue in colour.

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  18. Explain what will you observe when an electrolyte (NaCl) is added to...

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  19. Explain what will you observe when an electric current is passed thr...

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  20. Explain what will you observe when a beam of light is passed through...

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