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Adsorption of a gas on the surface of so...

Adsorption of a gas on the surface of solid is generally accompanied by decrease entropy. Still it is a spontaneous process. Explain.

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AAKASH SERIES-SURFACE CHEMISTRY-EXERCISE - 5.2
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  2. How the distinguish between physisorption and chemisorption with the h...

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  3. For the coagulation of 100ml of a positive sol 10ml of 1M sodium chl...

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  4. How to distinguish lyophilic and lyophobic with tyndall effect?

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  5. What are for cationic and anionic surfactants ? Give examples.

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  6. Which property can be used to distinguish colloidal solutions and true...

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  7. Transition metals are efficient catalysis Substantiate

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  8. Colloids sulphur exhibits Brownian movement , while a solution in CS2 ...

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  9. What is peptisation ?

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  10. What is Helmholtz electrical double layer ?

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  11. The change of colloidal particles is responsible for the stability of ...

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  12. A negative change solution is obtained when Ferricchloride is added t...

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  13. Why the colour of gold sol change with the size of gold particles?

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  14. Write the characteristics and importance of bio-catalysis.

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  15. Rate of fruit fermentation increase with time why?

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  16. The decolourisation of permanganate with oxalate is initially slow, bu...

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  17. How the colloids are classified on the basis of type of particles in d...

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  18. Explain the purification of colloids by dialysis and ultrafiltration.

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  19. What is ultrafiltration ?

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  20. Arrange the following substances in order of increasing ability to coa...

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