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The colloidal solution of two immiscible...

The colloidal solution of two immiscible liquids in which one of the liquids acts as a dispersed phase and the other as dispersion medium is called emulsion. Milk is an example of emulsion in which fat globules are dispersed in water. Emuldion are of two types i.e., O/W and W/O type emulsion, identified by dilution test, conductivity test and dye test.
Which property is observed in an emulsion ?

A

Tyndall effect

B

Brownian motion

C

Both a and b

D

none of these.

Text Solution

Verified by Experts

The correct Answer is:
C
Emulsions exhibit both tyndal effect and Brownian movement.
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The colloidal solution of two immiscible liquids in which one of the liquids acts as a dispersed phase and the other as dispersion medium is called emulsion. Milk is an example of emulsion in which fat globules are dispersed in water. Emuldion are of two types i.e., O/W and W/O type emulsion, identified by dilution test, conductivity test and dye test. Choose the correct answer:

The colloidal solution of two immiscible liquids in which one of the liquids acts as a dispersed phase and the other as dispersion medium is called emulsion. Milk is an example of emulsion in which fat globules are dispersed in water. Emuldion are of two types i.e., O/W and W/O type emulsion, identified by dilution test, conductivity test and dye test. In milk, whihc acts as an emulsifier ?

Give one example of the colloidal solution in which solid acts as the dispersed phase and gas as the dispersion medium.

Emulsions are colloids in which both dispersed phase and dispersion medium are

Which of the following (s) is/are w/o type emulsion ?

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:

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 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?

DINESH PUBLICATION-SURFACE CHEMISTRY -COMPRHENSION LINKED MCQs
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  13. Chromatography is based on :

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  14. Gold number is associated with :

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  15. When stauration is attained in terms of adsorption, variation of (x/m...

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  17. Adsorpton of gases on solid surface is generally exothermic because :

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