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What is 'Tyndall effect' ? Name two mixt...

What is 'Tyndall effect' ? Name two mixtures which show this effect.

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Tyndall effect is due to

Tyndall effect is shown by

Tyndall effect in shown by :

MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. What is heterogeneous catalysis? Give an example.

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  2. The equation for Freundlich adsorption isotherm is

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  3. What is 'Tyndall effect' ? Name two mixtures which show this effect.

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  4. Define the following terms : (i) Kraft temperature (ii) Peptizati...

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  5. CMC (Critical Micelle Concentration) is

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  6. When negatively charged colloids like As(2)S(3) sol is added to positi...

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  7. (a) In reference to Freundlich adorption isotherm write the expression...

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  8. Lyophilic sols are

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  9. (a) In reference to Freundlich adorption isotherm write the expression...

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  10. Why dows physisoption decrease with increase of temperature ?

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  11. Why are powdered substances more effective adsorbent than their crysta...

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  12. Give the decreasing order of flocculating power of the following ions ...

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  13. Explain the cleansing action of soaps.

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  14. Classify the type of colloidal sol in the following based on the basis...

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  15. What is Hardy- Schulze law?

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  16. Write differences between physisorption and chemisorption.

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  17. Why does bleeding stop by rubbing moist alum?

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  18. Distinguish between the meaning of the terms adsorption and absorption...

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  19. Write on difference in each of the following: (a) Multimolecular col...

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  20. Why does leather get hardened after tanning?

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