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Substances which behave as normal electr...

Substances which behave as normal electrolytes in solution at low concentration and exhibit colloidal properties at higher concentration are called

A

lyophilic colloids

B

lyophobic colloids

C

macromolecular colloids

D

associated colloids.

Text Solution

Verified by Experts

The correct Answer is:
D
At higher concentration the aggregated particles called micelles are formed by electrolytes like soap which act as colloidal particles.
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NCERT FINGERTIPS-SURFACE CHEMISTRY-Colloids And Classification Of Colloids
  1. Which of the following is not the correct difference between lyophobic...

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  2. Which of the following is not correctly matched ?

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  3. Substances which behave as normal electrolytes in solution at low conc...

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  4. In these colloids , a large number of small atoms or smaller molecules...

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  5. The substances which behave as colloidal solutions at higher concentra...

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  6. The formation of micelles takes place only above

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  7. CMC (Critical Micelle Concentration) is

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  8. At the critical micelle concentration, the surfactant molecules :

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  9. In the given figure label the parts

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  10. Soap mixed with water below critical micelle concentration behaves as

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  11. White of an egg whipped with water acts as

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  12. Colloidal solutions of metals like gold can be prepared when their sal...

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  13. When a small quantity of FeCl(3) solution is added to the fresh precip...

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  14. Which of the processes is being shown in the figure ?

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  15. Which of the following is not a method of removing impurities from a c...

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  16. Tyndall effect is observed only when (i) the diameter of the dispers...

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  17. When a colloidal solution is viewed from the direction at right angles...

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  18. Tyndall effect is not observed in

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  19. Which of the following systems will show Tyndall effect ?

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  20. Why is ferric hydroxide colloid positively charged when prepared by ad...

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