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What are emulsions? What are their diffe...

What are emulsions? What are their different types? Give one example of each type.

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Liquid-liquid colloidal system in which finely divided droplets of a liquid are dispersed into other liquid are called emulsions. Emulsions are of two types: (i) Oil in water, c.g. milk. (ii) Water in oil, e.g. butter.
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ARIHANT PUBLICATION-SURFACE CHEMISTRY-PART-II QUESTIONS FOR PRACTICE ( SHORT TYPE I QUESTIONS)
  1. Comment on the statement that colloid is not a substance but a state o...

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

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

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  4. What are the characteristics of the following colloids? Give one examp...

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  5. What are the characteristics of the following colloids? Give one examp...

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  6. What are micelles? Give an example of a micelle system.

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

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

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  9. What modification can you suggest in the Hardy-Schulze rule?

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  10. Give reasons for the following observations: Leather gets hardened a...

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  11. Give reasons for the following observations: Lyophilic sol is more ...

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

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  13. What is especially observed when a beam of light is passed through a c...

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  14. Explain the following Same substance can act both as colloids and c...

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  15. Explain the following Artificial rain is caused by spraying salt ove...

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  16. What are emulsions? What are their different types? Give one example o...

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  17. How do emulsifiers stabilise emulsion? Name two emulsifiers.

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  18. Give four uses of emulsions.

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  19. Gelatin which is a peptide, is added in ice-creams. What can be its ro...

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