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What happens when persistent dialysis of...

What happens when persistent dialysis of a colloidal solution is carried out?

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The stability of a colloidal sol is due to the presence of a small amount of the electrolyte. On persistent dialysis, the electrolyte is completely removed. As a result, colloidal solution becomes unstable. Hence, it gets coagulated.
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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)
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  2. What happens when a colloidal sol of Fe(OH)3 is mixed with that of As2...

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  3. What happens when persistent dialysis of a colloidal solution is carri...

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  4. What happens when a beam of light is passed through As2S3 sol?

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  5. KCl is added to Fe(OH)3 sol?

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  6. What is the main cause of charge on a colloidal solution?

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  7. How are gold number and protective power of colloid related?

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  8. What is demulsification ?

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  9. Give four uses of emulsions.

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  10. What are micelles ? Give an example of a micellers system.

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  12. What modification can you suggest in the Hardy-Schulze law?

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  13. Why is it essential to wash the precipitate with water before estimati...

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  14. Why lyophilic colloidal sols are more stable than lyophobic colloidal ...

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  15. How can a colloidal solution be distinguished from the true solution o...

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  16. Colloidal solution can be made in water and in air as media. What dist...

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  17. Of NH3 and N2 which gas will be adsorbed more readily on the surface o...

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  18. What is the basic difference between adsorption and absorption.

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  19. What is meant by 'shape-selective catalysis' of reactions ?

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  20. What are lyophobic colloids? Give one example for them.

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