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What are lyophilic and lyophobic colloid...

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

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Why does physisorption decrease with increase of temperature ?

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  2. Why are substances like platinum and palladium often used for carrying...

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

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  4. define shape selective catalysis with one example.

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  5. How does chemical adsorption of a gas on a solid vary with temperature...

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  6. What happens when gum arabic is mixed with gold sol?

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  7. Why is chemisorption referred to as activated adsorption?

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  8. Why are some medicines more effective in the colloidal form?

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  9. Gelatin which is a peptide, is added in ice-creams. What can be its ro...

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  10. On passing H(2)S through an aqueous solution of SO(2) a yellow turbidi...

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  11. Why activated charcoal is a better absorbent than ordinary charcoal ?

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  12. When rivers meet the ocean, they generally form delta, give resasons.

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  13. Why coloid cannot be filtered by ordinary filter paper ?

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  14. Name any two applications of adsorption.

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  15. Give the dispersion medium and dispersed phase of the following (i)sm...

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  16. Explain why colloidal solution is not precipitated in the presence of ...

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  17. Explain what happens when a colloidal solution of gold is brought unde...

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  18. Define lyophilic sol with one example .

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  19. What are characteristics of Emulsions.

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

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