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Peptisation is :...

Peptisation is :

A

Conversion of a colloidal into precipitate form

B

Conversion of precipitate into colloidal sol

C

Conversion of metal into colloidal sol by passage of electric current

D

Conversion of colloidal sol into macromolecules

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Verified by Experts

The correct Answer is:
B
Peptisation is conversion of precipitate into colloidal sol by shaking it with dispersion medium in the presence of a small amount of electrolyte.
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What do you mean by peptisation ?

Match the items of Column I and Column II. {:("Column I","Column II"),("A. Dialysis ","1. Cleansing action of soap "),("B. Peptisation ","2. Coagulation"),("C. Emulsification ","3. Colloidal sol formation "),("D. Electrophoresis ","4. Purification"):}

"Peptisation,Protection OF Colloids and Gold Number,Methods OF Coagulation, Purification OF Colloids,Emulsions and their Classification"

Assertion : A colloidal sol. Of Fe(OH)_(3) formed by peptisation carries positive charge. Reason : During formation of Fe(OH)_(3), the electrons are lost by the particles.

PHYSICS WALLAH-SURFACE CHEMISTRY-LEVEL-2
  1. A catalyst is used in a reaction to

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  2. A biological catalyst is essentially:

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  3. Peptisation is :

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  4. Cloud is an example of:

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  5. Which of the following ions is most effective in the coagulation of an...

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  6. small liquid droplets dispersed in another liquid is called :

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  7. Coagulation value of the electrolytes AlCl(3) and NaCl for As(2)S(3) s...

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  8. Which of the following statements is correct for a solution?

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  9. Arsenic (III) sulphide forms a sol with a negative charge. Which of th...

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  10. Smoke has generally blue tinge. It is due to

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  11. Which one of the following statements is correct?

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  12. The method usually employed for the precipitation of a colloidal solut...

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  13. Position of non-polar and polar parts in micelle is

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  14. Which one of the following forms micelles in aqueous solution above ce...

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  15. If x is amount of adsorbate and m is amount of adsorbent which of the ...

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  16. Which property of colloids is not dependent on the change on colloidal...

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  17. Which of the following statements of correct for the spontaneous adsop...

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  18. Milk is a colloid in which

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  19. The movement of colloidal particle under applied electric current is k...

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  20. Butter is a colloidal solution of :

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