JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Which of the following is not a method of preparation of colloidal solution?

(A)Electrical dispersion
(B)Peptization
(C)CoagulationCorrect
(D)Mechanical dispersion

Answer: (C)

Solution

Electrical dispersion (Bredig's arc method), peptization, and mechanical dispersion are all genuine techniques used to prepare colloidal sols. Coagulation

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Question ID VK-144774