The process of aggregation of colloidal particles into an insoluble precipitate by the addition of suitable electrolyte is called

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The process of aggregation of colloidal particles into an insoluble precipitate by the addition of an electrolyte is known as coagulation or flocculation. This occurs because the electrolyte provides ions with a charge opposite to that of the colloidal particles, which neutralizes the charge on the particles and allows them to come closer and aggregate due to van der Waals forces. Answer: coagulation