A colloidal solution of arsenious sulphide is most readily coagulated – InterviewSolution

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1.	A colloidal solution of arsenious sulphide is most readily coagulated by the addition of a normal solution ?
Answer» `NaCl` `CaCl_(2)` `Na_(3)PO_(4)` `Al_(2)(SO_(4))_(3)` Solution :ARSENIOUS sulphide is negatively CHARGED sol so more the CHARGE on cation of ELECTROLYTE, more the efficiency of electrolyte for coagulation.

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