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What do you mean by coagulation of collo...

What do you mean by coagulation of colloidal solution? Describe briefly two methods by which coagulation of lyophobic sols can be carried out.

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R G PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Write a note on Hardy Schulze rule.

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  2. Write short notes on Emulsion

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  3. Comment on the statement that "colloid is not a substance but a state ...

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

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  5. How coagulation of lyophilic sol is carried out?

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  6. Describe protactive power of lyophilic sol.

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  7. Write two application of colloid in the purification of drinking water...

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  8. What is observed when a beam of light is passed through a colloidal so...

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  9. Explain what is observed an electrolyte, NaCl is added to hydrated fer...

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  10. Explain what is observed electric current is passed through a colloida...

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  11. How are the following colloidal solutions prepared? Sulphur in wate...

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  12. How are the following colloidal solutions prepared? Gold in water.

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  13. Write the dispersed phase and dispersion medium of the following collo...

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  14. Write the dispersed phase and dispersion medium of the following collo...

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  15. Explain the following Adsoption of a gas on surface solid is general...

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  16. Explain the following: Same substance can act both colloids and crysta...

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  17. Distinguish between micelles and colloidal particles. Give one example...

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  18. Write two features of solid catalyst.

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  19. What do you observe when adsorption takes place from solution phase.

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  20. What do you mean by coagulation of colloidal solution? Describe briefl...

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