Zn + 2HCl = ZnCl2 + H2
CaO + 2HCl = CaCl2 = H2O
Na2CO3 + 2HCl = 2NaCl + CO2 + H2O
Cu(OH)2 + 2HCl = CuCl2 + 2H2O
Zn + 2HCl = ZnCl2 + H2
CaO + 2HCl = CaCl2 = H2O
Na2CO3 + 2HCl = 2NaCl + CO2 + H2O
Cu(OH)2 + 2HCl = CuCl2 + 2H2O