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Name the dispersed phase and dispersion ...

Name the dispersed phase and dispersion mediumin fog.

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Read the given passage and answers following questions : Emulsion: It is a colloidal mixture in which both the dispersed phase and the dispersion medium are liquids. The two or more liquids present in the mixture are generally immiscible in nature. Example: Milk. Gel: It is a colloid in which the dispersed phase i.e. liquid has combined with the dispersion medium i.e. solid to produce a semisolid material. Example: jellies. Answer the following questions : Which type of material formed when dispersed phase and dispersion medium combined ?

Read the given passage and answers following questions : Emulsion: It is a colloidal mixture in which both the dispersed phase and the dispersion medium are liquids. The two or more liquids present in the mixture are generally immiscible in nature. Example: Milk. Gel: It is a colloid in which the dispersed phase i.e. liquid has combined with the dispersion medium i.e. solid to produce a semisolid material. Example: jellies. Answer the following questions : Which type of nature dispersed phase and medium exist?

BETTER CHOICE PUBLICATION-SURFACE CHEMISTRY -Question Bank
  1. What is the difference between true solution and colloidal solution?

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  2. Give three differences between suspension and colloid solution.

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  3. Name the dispersed phase and dispersion mediumin fog.

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  4. Comment on the statement that “colloid is not a substance but a state ...

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  5. What are lyophilic and lyophobic sols ? Give one example of each. Why ...

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  6. What are gels ? Give an example of elastic and non-elastic gel.

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  7. How will you differentiate Lyophilic colloids from Lyophobic colloids?

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  8. Lyophillic colloids are more stable than lyophobic colloids. Explain.

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  9. What is the difference between multimolecular and macromolecular collo...

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  10. Give three differences between multimolecular colloids and macromolecu...

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  11. What are micelles ? Give one example of a micellar system.

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  12. Explain the mechanism of the cleansing action of soaps

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  13. Discuss cleansing action of soap by micelle formation.

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  14. Write short note on peptisation.

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  15. What is peptization ? What is cause of peptization ? Give one example.

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  16. How will you prepare a collidal solution of gold?

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  17. Write short note on electro-dialysis.

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  18. Explain Brownian movement.

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  19. What name is given to the zig-zag motion of the colloidal particles?

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  20. Explain Tyndall effect.

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