CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
Б) 2Cu + O2 = 2CuO
CuO + 2HCl= CuCl2 + H2O
Ca(OH)2 + CuCl2 = Cu(OH)2 + CaCl2
Cu(OH)2 = Сu + H2O
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl= CaCl + 2H2O
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
Б) 2Cu + O2 = 2CuO
CuO + 2HCl= CuCl2 + H2O
Ca(OH)2 + CuCl2 = Cu(OH)2 + CaCl2
Cu(OH)2 = Сu + H2O