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प्रश्न
In an electrical field, the particles of a colloidal system move towards the cathode. The coagulation of the same sol is studied using
I. K2SO4
II. Na3PO4
III. K4[Fe(CN)6]
IV. NaCI
Their coagulating power should be
विकल्प
II > I > IV > III
III > II > I > IV
I > II > III > IV
none of these
उत्तर
III > II > I > IV
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