Ответ Автор - svetka1574 4AL + 3O2 =2 Al2O3Ca + 2H2O = Ca(OH)2 + H22Na + 2H2O = 2NaOH + H2Zn + H2O = ZnO + H2SO2 + H2O = H2SO3MgO + H2O = Mg(OH)2