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Give one example of oil in water type em...

Give one example of oil in water type emulsion.

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Milk is an example of oil in water type emulsion.
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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

Which of the following is an example of oil in water emulsion?

Emulsions are also called the colloidal solutions in which the disperse phase as well as dispersion medium are liquids. It may be oil-in-water or water-inoil type Emulsifiers can be sued to stabilize the emulsion. Soaps, detergents, proteins, and gums are used as emulsifiers. Which of the following examples is/are oil-in-water-type emulsion?

Give one test to distinguish whether the given emulsion is oil-in-water-type emulsion.

DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. Which of the following is more effective in coauglating positively cha...

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  2. How is the protective power of a lyophilic sol expressed ?

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  3. Give one example of oil in water type emulsion.

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  4. Gold numbers of gelatin and haemoglobins are 0.005 and 0.03 respective...

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  5. What will happen if equimolar solution of positively and negatively ch...

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  6. What will happen if gelatin is added to a goal sol ?

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  7. What is collodion ?

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  8. Give one example of an opaque that is colloidal and an example of opaq...

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  9. Why does smoke from a fire often has a blue tinge ?

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  10. Explain the curding of milk when it is sour.

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  11. What is purple of casis ?

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  12. how will you disitinguish between a true solution and a colloidal solu...

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  13. What happens if an electric field is applied to a colloidal sol ?

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  14. How does chemical adsorption of a gas on the surface of a solid very w...

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  15. How will you prepare a colloidal sol of arsenic suplhide ?s

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  16. Which of the following has minimum flocculation value :-

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  17. What is Milk of Magnesia? For what purpose, is it used ?

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  18. What are surfactants ?

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  19. What is iso-electric point of colloids ?

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  20. What is syneresis or weeping of gels ?

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