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Milk is an oil in water type emulsion....

Milk is an oil in water type emulsion.

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which of the following statement is not true about the oil - in - water type emulsion ?

Define emulsions.

What are emulsions ? Give an example of oil in water and water in oil emulsion.

Emulsions are normally prepared by shaking the two components together vigorously although some kind of emulsifiying agent usually has to added to stabilize the product. This emulsifying agent amy be a soap or other sufactant (surface active) sepcies or a lyophilic sol that forms a protective film around the dispersed phase. Emulsion broadly classified into two types: (i) Oil in water emulsions (O/W): Oil acts as dispersed phase and water acts as dispersion medium. (ii). Water in oil emulsion (W/O): Water acts as dispersed phase and oil acts as dispersion medium Due test, dilution test may be emplyoyed for identification of emulsions. Q. Read two statment s: (1) milk is an example of oil in water (O/w) type emulsion (2) cold cream is an example of water in oil (W/O) type emulsion

Emulsions are normally prepared by shaking the two components together vigorously although some kind of emulsifiying agent usually has to added to stabilize the product. This emulsifying agent amy be a soap or other sufactant (surface active) sepcies or a lyophilic sol that forms a protective film around the dispersed phase. Emulsion broadly classified into two types: (i) Oil in water emulsions (O/W): Oil acts as dispersed phase and water acts as dispersion medium. (ii). Water in oil emulsion (W/O): Water acts as dispersed phase and oil acts as dispersion medium Due test, dilution test may be emplyoyed for identification of emulsions. Q. Read two statment s: (1) milk is an example of oil in water (O/w) type emulsion (2) cold cream is an example of water in oil (W/O) type emulsion

Define Emulsion

What is the difference between oil/water (o/w) type and water/oil (w/o) type emulsions ? Given an example of each type.

JMD PUBLICATION-SURFACE CHEMISTRY-EXAMPLE
  1. Soap is an example of an associated colloid.

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

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  3. Milk is an oil in water type emulsion.

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  4. Stability of multimolecular colloids is due to extensive solvation of ...

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  5. Distinguish between the 'meaning of the terms adsorption and absorptio...

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  6. Write four differences between adsorption and absorption.

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  7. Adsorption is an exothermic process. Explain.

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  8. Why the rate of physical adsorption decreases with the rise of tempera...

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  9. Give reasons why a finely divided substance is more effective as an ad...

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  10. What is the difference between physisorption and chemisorption ?

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  11. Differentiate between physical adsorption and chemical adsorption.

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  12. What are the factors which influence the adsorption of a gas on a soli...

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  13. What is an anion ?

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  14. Can adsorption occur from solutions ? Give examples.

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  15. How does adsorption of gases on solids depend upon: Temperature?

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  16. Explain two applications of adsorption.

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  17. Define Catalyst and Catalysis.

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  18. What is heterogeneous catalysis ? What role does adsorption play in he...

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  19. Give the mechanism of heterogeneous catalysed reaction.

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  20. What is homogeneous catalysis ? Give some examples.

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