Em tham khảo nha :
\(\begin{array}{l}
1)\\
S + {O_2} \to S{O_2}\\
BaO + {H_2}O \to Ba{(OH)_2}\\
{P_2}{O_5} + 3{H_2}O \to 2{H_3}P{O_4}\\
2Al + 3{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 3{H_2}\\
2Na + 2{H_2}O \to 2NaOH + {H_2}\\
{O_2} + 2{H_2} \to 2{H_2}O\\
{P_2}{O_5} + 3{H_2}O \to 2{H_3}P{O_4}\\
Zn + 2HCl \to ZnC{l_2} + {H_2}\\
3)\\
2{H_2}O \to 2{H_2} + {O_2}\text{: PU phân hủy}\\
CaO + {H_2}O \to Ca{(OH)_2}\text{: PU hóa hợp}\\
2KCl{O_3} \to 2KCl + 3{O_2}\text{: PU phân hủy}\\
Zn + 2HCl \to ZnC{l_2} + {H_2}\text{: PU thế}\\
4Na + {O_2} \to 2N{a_2}O\text{PU hóa hợp}\\
Fe{(OH)_2} \to FeO + {H_2}O\text{: PU phân hủy}\\
KCl + AgN{O_3} \to AgCl + KN{O_3}\text{: PU thế}\\
2Al + 3CuC{l_2} \to 2AlC{l_3} + 3Cu\text{: PU thế}
\end{array}\)
