Em tham khảo nha:
\(\begin{array}{l}
1)\\
a)\,CaO + {H_2}O \to Ca{(OH)_2}\\
b)\,CaO + C{O_2} \to CaC{O_3}\\
c)\,C{O_2} + Ca{(OH)_2} \to CaC{O_3} + {H_2}O\\
d)\,FeO + 2HCl \to FeC{l_2} + {H_2}O\\
e)\,S{O_3} + {H_2}O \to {H_2}S{O_4}\\
f)\,S{O_2} + {H_2}O \to {H_2}S{O_3}\\
g)\,CuO + 2HCl \to CuC{l_2} + {H_2}O\\
2)\\
a)\,Zn + 2HCl \to ZnC{l_2} + {H_2}\\
CuO + 2HCl \to CuC{l_2} + {H_2}O\\
b)\\
Cu{(OH)_2} + {H_2}S{O_4} \to CuS{O_4} + 2{H_2}O\\
N{a_2}S{O_3} + 2HCl \to 2NaCl + S{O_2} + {H_2}O\\
BT1)\\
a)\\
\,CaO + {H_2}O \to Ca{(OH)_2}\\
N{a_2}O + {H_2}O \to 2NaOH\\
C{O_2} + {H_2}O \to {H_2}C{O_3}\\
S{O_2} + {H_2}O \to {H_2}S{O_3}\\
b)\\
CuO + 2HCl \to CuC{l_2} + {H_2}O\\
CaO + 2HCl \to CaC{l_2} + {H_2}O\\
c)\\
2NaOH + C{O_2} \to N{a_2}C{O_3} + {H_2}O\\
2NaOH + S{O_2} \to N{a_2}S{O_3} + {H_2}O\\
2NaOH + S{O_3} \to N{a_2}S{O_4} + {H_2}O\\
BT\,2)\\
2NaOH + {H_2}S{O_4} \to N{a_2}S{O_4} + 2{H_2}O\\
Cu + 2{H_2}S{O_4} \to CuS{O_4} + S{O_2} + 2{H_2}O
\end{array}\)
