Define the following terms :

(i) Protective colloid

(ii) Zeta potential

(iii) Emulsifying agent

 

 
 
 
 
 

Answers (1)

(i) Lyophilic colloids have a unique property of protecting lyophobic colloids. Lyophilic colloids form a layer around the lyophobic colloids to protect them from the electrolyte or coagulation.

(ii) Zeta potential is the Potential difference between the fixed layer and the diffused layer of opposite charges of a colloid.

(iii) Emulsifying agent is a Substances used for stabilisation of an emulsion.

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