Colloidal solution is prepared by
reduction method
dissociation method
C
hydrolysis method
D
all of the above
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B) Dissociation method
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Answer:
A process of converting a precipitate into colloidal sol called Peptization by shaking it with the dispersion medium.
Colloidal solutions of the hydroxides of Fe, Cr, Al etc can be prepared by hydrolysis of their salts
In ultrasonic dispersion, ultrasonic waves are passed through the solution containing larger particles. They break down to form the colloidal solution.
The process of settling of colloidal particles is called coagulation
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