Em tham khảo nha:
\(\begin{array}{l}
1)\\
MgO + {H_2}S{O_4} \to MgS{O_4} + {H_2}O\\
Mg + {H_2}S{O_4} \to MgS{O_4} + {H_2}\\
Mg{(OH)_2} + {H_2}S{O_4} \to MgS{O_4} + 2{H_2}O\\
2)\\
a)\\
Mg + 2HCl \to MgC{l_2} + {H_2}\\
b)\\
CuO + 2HCl \to CuC{l_2} + {H_2}O\\
c)\\
Fe{(OH)_3} + 3HCl \to FeC{l_3} + 3{H_2}O\\
F{e_2}{O_3} + 6HCl \to 2FeC{l_3} + 3{H_2}O\\
d)\\
A{l_2}{O_3} + 6HCl \to 2AlC{l_3} + 3{H_2}O\\
3)\\
a)\,MgO + 2HN{O_3} \to Mg{(N{O_3})_2} + {H_2}O\\
b)\,CuO + 2HCl \to CuC{l_2} + {H_2}O\\
c)\,A{l_2}{O_3} + 3{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 3{H_2}O\\
d)\,Fe + 2HCl \to FeC{l_2} + {H_2}\\
e)\,Zn + {H_2}S{O_4} \to ZnS{O_4} + {H_2}
\end{array}\)
