Which of the following is most effective in causing the coagulation of ferric hydroxide sol?....

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Question Which of the following is most effective in causing the coagulation of ferric hydroxide sol?
(A) \( \mathrm{KCl} \)
(B) \( \mathrm{KNO}_{3} \)
(C) \( \mathrm{K}_{2} \mathrm{SO}_{4} \)
(D) \( \mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right] \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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