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Give the decreasing order of flocculatin...

Give the decreasing order of flocculating power of the following ions in the coagulation of a negative sol. `Na^(+), Ba^(2+), Al^(3+)`

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MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. Why dows physisoption decrease with increase of temperature ?

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

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

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  4. Explain the cleansing action of soaps.

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

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  6. What is Hardy- Schulze law?

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  7. Write differences between physisorption and chemisorption.

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  8. Why does bleeding stop by rubbing moist alum?

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

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

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  11. Why does leather get hardened after tanning?

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  12. Lyophilic sols are more stable than lyophobic sols because

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  13. Why is it necessary to remove CO when ammonia is obtained by Haber's p...

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  14. Define adsorption. Write any two features which distinguish physisorpt...

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  15. A catalyst in the finely divided form is most effective because :

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

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  17. (i) Differentitate between adsorbtion and absorption. (ii) Out of M...

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  18. (i) Differentitate between adsorbtion and absorption. (ii) Out of M...

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  19. Define adsorption and write two important differences between physical...

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  20. Sea gel is

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