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Give four uses of emulsion....

Give four uses of emulsion.

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Give some examples of emulsions that you come across in daily life.

Emulsions are also the colloidal solutions in which disperse phase as well as dispersion medium are liquids. It may be oil in water or water in oil type. Bancroft proposed that the phase in which the emulsifier is more soluble becomes the outer phase of the emulsion. Emulsififers can be used to stabilize the emulsion. Soaps, detergents, proteins and gum, etc., are used as emulsifiers. Milk is an emulsion in which:

What is an emulsion ?

Define Emulsions

PRADEEP-SURFACE CHEMISTRY -NCERT (EXERCISES)
  1. Why is adsorption always exothermic ?

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

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

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

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

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

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  7. How are colloid classified on the basis of: ltbtgt (a) physical state ...

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

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

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  10. What is demulsification ? Name two demulsifiers.

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

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  12. Give four examples of heterogeneous catalysis.

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

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  14. Descirbe some features of catalysis by zeolites.

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  15. What is shape - selective catalysis ?

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

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  17. Give four uses of emulsion.

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

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  19. Explain the following terms with suitable examples (i) Alcosol (ii) Ae...

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

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