Em tham khảo nha:
\(\begin{array}{l}
Fe + 2AgN{O_3} \to Fe{(N{O_3})_2} + 2Ag\\
Cu + 2AgN{O_3} \to Cu{(N{O_3})_2} + 2Ag\\
B:Fe{(N{O_3})_2},Cu{(N{O_3})_2}\\
E:Ag\\
Fe{(N{O_3})_2} + 2NaOH \to Fe{(OH)_2} + 2NaN{O_3}\\
Cu{(N{O_3})_2} + 2NaOH \to Cu{(OH)_2} + 2NaN{O_3}\\
4Fe{(OH)_2} + 2{H_2}O + {O_2} \to 4Fe{(OH)_3}\\
Cu{(OH)_2} \xrightarrow{t^0} CuO + {H_2}O\\
2Fe{(OH)_3} \xrightarrow{t^0} F{e_2}{O_3} + 3{H_2}O
\end{array}\)