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Between hydrophobic and hydrophic colloi...

Between hydrophobic and hydrophic colloids which one is easily coagulated ?

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What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amount of electrolytes ?

Account for the following: Hydrophobic colloids are easily coagulated.

Which can be easily oxidised ?

Distinguish between lyophilic and lyophobic colloids.

What are lyophilic and lyophobic colloids ? Give one example of each.

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SHARAM PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Name two industrial processes in which heterogeneous catalysts are use...

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  2. Between physical and chemical adsorption which has high enthalpy of ad...

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  3. Between hydrophobic and hydrophic colloids which one is easily coagula...

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  4. How will you purify muddy water ?

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  5. Which homogeneous catalyst is used in acid hydrolysis of cane sugar ?

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  6. What is the optimum p^H for enzymatic reactions in human body ?

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  7. Fill in the blanks : Milk is an example of ………….

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  8. Fill in the blanks : The term Gold number was introduced by the scient...

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  9. Fill in the blanks : The minimum amount of electrolyte which can preci...

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  10. Fill in the blanks : Gels on long standing loses small amount of liqui...

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  11. Fill in the blanks : Moisture is ………. By silica gel but ……….. By Anh....

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  12. Fill in the blanks : Cod liver oil is an emulsion of ………….. In ……………….

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  13. Fill in the blanks : Blood is a colloidal solution of ……….. In water.

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  14. Fill in the blanks : The emulsifying agent in milk is ………….

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  15. Fill in the blanks : Mist is a colloidal system in which ……….. Is disp...

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  16. Fill in the blanks : The transformation of a freshly prepared precipi...

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  17. Fill in the blanks : Liquid - liquid colloidal systems are called ………...

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  18. Fill in the blanks : The heterogeneous catalyst used in the contact pr...

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  19. Fill in the blanks : Smoke is a dispersion of ………. In ……………

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  20. The colloidal system of liquid dispersed in solid is called .

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