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What is Brownian movement? Why do colloi...

What is Brownian movement? Why do colloidal particles do not settle down?

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CHHAYA PUBLICATION-SURFACE CHEMISTRY-WARM UP EXERCISE
  1. On which principle does an artificial kidney work?

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  2. Give an example of a sol that can be prepared both by Bredig's arc and...

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  3. What is Brownian movement? Why do colloidal particles do not settle do...

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  4. Why are the magnitudes of colligative properties of colloidal solution...

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  5. You are supplied with two solutions, one of which is a soap solution a...

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  6. Why does the path of light become visible when passed through a colloi...

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  7. Why is Tyndall effect not very distinct in the case of lyophilic collo...

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  8. Define the Electrophoresis

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  9. Define the Cataphoresis

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  10. Define the Anaphoresis

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  11. Define the Electro-osmosis .

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  12. Give an example each of an sol exhibiting cataphoresis and anaphoresis...

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  13. What do you mean by isoelectric point of colloid ? Mention one importa...

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  14. Why is a medicine in colloidal state found to be very effective ?

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  15. Addition of an excess solution of AgNO(3), to a solution of KI gives a...

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  16. Particles of Fe(OH)(3), sol produced in the hydrolysis of FeCl(3), are...

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  17. Why are lyophilic sols more stable than lyophobic sols?

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  18. What are protective colloids? Give an example.

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  19. Less the gold number of a lyophilic colloid, more is its protective po...

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  20. What do you mean by coagulation of a colloid? Write the Hardy-Schulze ...

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