Na2CO3 + 2HCl -> CO2 + H2O + 2NaCl
Zn + 2HCl -> ZnCl2 + H2
Cu + 2HCL -> CuCl2 + H2
2NaI + Cl2 -> 2NaCl + I2
NaOH + HCl -> NaCl + H2O
Zn + CuSo4 -> ZnSO4 + Cu
Cu + ZnSo4 -> CuSo4 + Zn
Mg + O -> MgO
Zn + 2HCl -> ZnCl2 + H2
Cu + 2HCL -> CuCl2 + H2
2NaI + Cl2 -> 2NaCl + I2
NaOH + HCl -> NaCl + H2O
Zn + CuSo4 -> ZnSO4 + Cu
Cu + ZnSo4 -> CuSo4 + Zn
Mg + O -> MgO