A) \[NaCl\]
B) \[MgS{{O}_{4}}\]
C) \[A{{l}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}\]
D) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
Correct Answer: C
Solution :
[c] Gold sol. have negative charge. So \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]is most effective for coagulation.You need to login to perform this action.
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