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i. ( Fe(s) / Fe^ 2+ (aq) mid left lfloorCu^ 2+ (aq) / Cu(s) right. ) ii. ( Ag / Ag^ + ^ + (aq) | Zn^ + / Zn ) এখানে, ( E^ circ Fe / Fe^ 2+ =+0.44 ~V E^ circ Cu^ 2+ / Cu=0.34 ~V ); | Suva Ai