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Freshly prepared precipitate sometimes g...

Freshly prepared precipitate sometimes gets converted to colloidal solution by ……. .

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Peptisation
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AAKASH INSTITUTE ENGLISH-SURFACE CHEMISTRY -TRY YOURSELF
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  2. Which enzyme converts milk into curd?

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

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  5. Explain the cleansing action of soaps.

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  6. What is the dispersed phase and dispersion medium in gel?

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  7. Why true solutions do not exhibit tyndall effect?

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  8. Write the name of four methods to coagulate lyophobic colloids

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  9. What is most accepted reason for the presence of charge on colloids?

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  10. Define coagulation value.

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  11. Why is adsorption always exothermic ?

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  12. What is the effect on entropy change (triangle S) in adsorption?

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  13. Which adsorption has low enthalpy of adsorption ?

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  14. Low temperature is favourable for which type of adsorption ?

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  15. Which type of gases are readily adsorbed by solids?

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  16. Write any two characteristics of Chemisorption.

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  17. Why does physisorption decrease with increase of temperature ?

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  19. Write the name of scientist who suggested the term catalyst first?

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