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How are the colloidal solutions classifi...

How are the colloidal solutions classified on the the basis of physical states of the dispersed phase and dispersion medium ?

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To classify colloidal solutions based on the physical states of the dispersed phase and the dispersion medium, we can follow these steps: ### Step 1: Identify the Types of Dispersed Phase The dispersed phase can exist in three physical states: - **Solid** - **Liquid** - **Gas** ...
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NCERT ENGLISH-SURFACE CHEMISTRY-Exercise
  1. What role does adsorption play in heterogeneous catalysis ?

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  2. Why is adsorption always exothermic ?

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  3. How are the colloidal solutions classified on the the basis of physica...

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  4. Disuss the effect of pressure and temperature on the adsorption of gas...

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

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  6. What is the difference between multimolecular and macromolecular colli...

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  7. What are enzymes ? Write in brief the mechanism of enzyme catalysis ?

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  8. How are colloids classified on the basis of (i) physical states of c...

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

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

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

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  12. Action of soap is due to emulsification and micelle formation. Comment...

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  13. Give four examples of heterogeneous catalytic reactions.

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  14. What do you mean by activity and selectivity of catalysts ?

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  15. Descirbe some features of catalysis by zeolites.

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  16. What is shape - selective catalysis ?

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  17. Explain the following terms : {:(a. El etropho resis , b. Coagulati...

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  18. Give four uses of emulsion.

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

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  20. Explain the following terms with suitable examples : a. alc osol,b....

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