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Explain the terms: Zeta potential, elect...

Explain the terms: Zeta potential, electrophoresis and electroosmosis.

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MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. What happens if an electric field is applied to a colloidal sol ?

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  2. What are emulsions ? What are their different types ? Give an example ...

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  3. Explain the terms: Zeta potential, electrophoresis and electroosmosis.

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  4. Write one difference in each of the following: (i) Lyophobic sol Lyo...

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  5. what is the difference between solutions and colloids ?

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  6. Write one difference in each of the following: (i) Lyophobic sol Lyo...

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  7. Write two differences between multimolecular colloids and macromolecul...

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  8. Write one difference between each of the following: (i) Multimolecul...

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  9. Write one difference between each of the following: (i) Multimolecul...

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  10. Indicate a chemical reaction involving a homogeneous catalyst.

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  11. Explain the terms 'Brownian movement' and 'peptization'.

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

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  13. State Hardy schulze rule.

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  14. Why are lyophilic colloids used as protective colloids?

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  15. What is the role of activated charcoal in gas mask used in coal mines?

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  16. From the following figure, the correct observation is :-

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  17. (i) What is the role of activated charcoal in gas mask ? (ii) A coll...

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  18. Classify colloids where dispersion medium is water. State their charac...

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  19. Whate happens in the following activities and why? (i) An electrol...

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  20. Explain what is observed (i) when a beam of light is passed through ...

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