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Mention two ways by which lyophobic coll...

Mention two ways by which lyophobic colloids can be coagulated.

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Lyophobix colloids can be coagulated either by condensation methods or by dispersion methods.
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DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. What happens when freshly precipitated ferric hydroxide is treated wit...

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  2. Why is pyophobis sol easily congulated as compared to lyophilic sol ?

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  3. Mention two ways by which lyophobic colloids can be coagulated.

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  4. What will happen when a small amount of NaCl solution is added to hydr...

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  5. Why does physisorption decrease with increase in temperature ?

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  6. A synthetic rubber which is resistant to the action of oils gasoline a...

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  7. What is Tyndall Effect?

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  8. What is coagulation process ?

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  9. What is an emulsion ?

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  10. Name two types of adsorption phenmenon.

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  11. Name the catalyst and promoter in the Haber's process for the manufact...

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  12. What are the physical states of the dispersion medium and dispersed ph...

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  13. Adsorption of a gas on the surface of solid is sgenerally accompanied ...

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  14. How does increase in tempeature affect both physical and chemical adso...

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  15. What do you understand by shape selective catalysis? Why are zeolites ...

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  16. Name a process by which coagulation of lyophobic sol can be carried ou...

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  17. What is a reversible sol. ?

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  18. How are the folowihg colloids different with respwct ot dispersed phas...

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  19. Give one example of aerosol and gel.

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

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