Em tham khảo nha :
\(\begin{array}{l}
FeS + 2HCl \to FeC{l_2} + {H_2}S\\
FeC{l_3} + 3NaOH \to Fe{(OH)_3} + 3NaCl\\
MgS{O_4} + 2KOH \to Mg{(OH)_2} + {K_2}S{O_4}\\
BaC{l_2} + {H_2}S{O_4} \to BaS{O_4} + 2HCl\\
AgN{O_3} + KCl \to AgCl + KN{O_3}\\
{H_2}S{O_4} + 2NaOH \to N{a_2}S{O_4} + {H_2}O\\
CaC{O_3} + 2HCl \to CaC{l_2} + C{O_2} + {H_2}O\\
PbC{l_2} + {H_2}S \to 2HCl + PbS
\end{array}\)