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Define the Cataphoresis...

Define the Cataphoresis

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CHHAYA PUBLICATION-SURFACE CHEMISTRY-WARM UP EXERCISE
  1. Why is Tyndall effect not very distinct in the case of lyophilic collo...

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  2. Define the Electrophoresis

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  3. Define the Cataphoresis

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  4. Define the Anaphoresis

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  5. Define the Electro-osmosis .

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

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

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

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

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

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

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  12. What are protective colloids? Give an example.

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

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

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  15. Na(2)SO(4) is more effective than NaCl in the coagulation of Fe(OH)(3)...

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  16. Which of the following is required in least amount for the coagulation...

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  17. On applying alum to cuts and wounds, bleeding stops. Explain.

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  18. Why is delta formed at the confluence of the river with sea ?

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  19. Why does the colour of sky appear blue ?

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  20. What makes nanomaterial so special ?

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