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By which method precipitate is converted...

By which method precipitate is converted into colloids?

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Peptisation
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AAKASH INSTITUTE-SURFACE CHEMISTRY -TRY YOURSELF
  1. What are optimum temperature and pH for the enzymes to act best ?

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  2. Which enzyme converts milk into curd?

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  3. By which method precipitate is converted into colloids?

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  4. Give one example each of multimolecular and macro-molecular colloids.

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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 exhivit tyndall effect?

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  8. Write the name of four methods to coagulate lyphobic 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 adsorption is exothermic ?

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  12. What is the effect on entropy change (Delta 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 dows physisoption decrease with increase of temperature ?

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  18. What is the change in mass and composition of catalyst after the compl...

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

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  20. Metals of how many groups of periodic table show macimum catalytic act...

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