2Na + 2H2O = 2NaOH + H2
Na2O + H2O = 2 NaOH
Ca + 2H2O = Ca(OH)2 + H2
2NaCl + 2H2O = 2NaOH + H2 + Cl2
K2CO3 + Ca(OH)2 = CaCO3↓ + KOH
Объяснение:
2Na + 2H2O = 2NaOH + H2
Na2O + H2O = 2 NaOH
Ca + 2H2O = Ca(OH)2 + H2
2NaCl + 2H2O = 2NaOH + H2 + Cl2
K2CO3 + Ca(OH)2 = CaCO3↓ + KOH
Объяснение: