Em tham khảo nha:

\(\begin{array}{l}
CaO:\\
CaO + C{O_2} \to CaC{O_3}\\
CaO + 2HCl \to CaC{l_2} + {H_2}O\\
CuO:\\
CuO + {H_2} \xrightarrow{t^0} Cu + {H_2}O\\
Cu + 2AgN{O_3} \to Cu{(N{O_3})_2} + 2Ag\\
A{l_2}{O_3}:\\
A{l_2}{O_3} + 6HCl \to 2AlC{l_3} + 3{H_2}O\\
F{e_2}{O_3}:\\
F{e_2}{O_3} + 3{H_2} \xrightarrow{t^0} 2Fe + 3{H_2}O\\
Fe + 2HCl \to FeC{l_2} + {H_2}\\
Fe + 2AgN{O_3} \to Fe{(N{O_3})_2} + 2Ag\\
Fe{(N{O_3})_2} + AgN{O_3} \to Fe{(N{O_3})_3} + Ag\\
N{a_2}O:\\
N{a_2}O + C{O_2} \to N{a_2}C{O_3}\\
N{a_2}O + 2HCl \to 2NaCl + {H_2}O
\end{array}\)

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