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[" 93.In the electrochemical reaction,"]...

[" 93.In the electrochemical reaction,"],[qquad 2Fe^(3+)+Zn longrightarrow Zn^(2+)+2Fe^(2+)],[" increasing the concentration of "Fe^(2+)" : "],[" (a) increases the cell emf "],[" (b) increases the current flow "],[" (c) decreases the cell emf "],[" (d) alters the pH of the solution "]

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