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Define the following with a suitable example, of each :

(a) Coagulation

(b) Multimolecular colloid

(c) Gel

 

 

 

 
 
 
 
 

Answers (1)

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(a) Coagulation: The process of aggregating together the colloidal particle so as to change them into large-sized particles which ultimately acts as a participant is called coagulation or precipitation.

(b) Multimolecular colloid: When on the dispersion of a substance in the dispersion medium, a large number of the atom or smaller molecules of the substance aggregate together to form species having the size in the colloidal range. The species thus formed are called multimolecular colloids.for eg. Sulphur sol.

(c) Gel: A colloid formed when a liquid is dispersed in the solid dispersion medium. 

For eg. Cheese,Butter, Jellies

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Sumit Saini

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