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Give four difference between lyophilic a...

Give four difference between lyophilic and lyophobic colloids.

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Give two differences between lyophilic and lyophobic colloids.

Collidal solution is a heterogeneous solution which contains particle of intermediate size, i.e., (diameter between 1 and 1000 nm) colloidal is not a substance but it is a state of a substance which depends upon the molecular size. Colloidal solutions are intermediate between ture solution and suspensions. The difference between a lyophilic and lyophobic colloid is their

Lyophobic colloids show

Give one main difference between lyophobic and lyphilic colloids.

Lyophobic colloids are :

Lyophobic colloids are :-

PRADEEP-SURFACE CHEMISTRY -SHORT ANSWER QUESTIONS (III. COLLOIDS)
  1. Classify colloids where dispersion medium is water. State their charac...

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

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  3. Give four difference between lyophilic and lyophobic colloids.

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

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

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

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

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  8. Define each of the following terms: (i) Micelles (ii) Peptization (i...

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

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  10. Colloidal arsenious sulphide is readily precipitated by a small amount...

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

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

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

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

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

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

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  17. What is zeta potential ? Explain briefly.

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  18. Define the following and give an example of each (a) Coagulation (b)...

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  19. Colloids have many characteristic properties : Among these, Tyndall ef...

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  20. Heat of adsorption is greater for chemisorption than physiorption. Why...

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