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InterviewSolution
| 1. |
Which of the following ionic substances will be most effective in precipitating the sulphur sol? a. `KCl` `BaCl_(2)` c. `Fe_(2)(SO_(4))_(3)` d. `Na_(3)PO_(4)` |
| Answer» The sulphor sol is negatively charged and would be coagulated most effectively by `Al^(3+)` . The sulphor sol is negatively charged and would be coagulated most effectively by `Al^(3+)` . | |