1)Al(OH)3Al(3+)+3OH(-)
2)Ca - Ca (OH)2 - CaCO3 - CaO - Ca (OH)2 - CaCl2Сa+2H2O= Ca(OH)2+ H2Ca(OH)2+ CO2=CaCO3+H2OCaCO3=CaO+CO2CaO+H2O=Ca(OH)2Ca(OH)2+2HCl= CaCl2++2H2O
1)Al(OH)3Al(3+)+3OH(-)
2)Ca - Ca (OH)2 - CaCO3 - CaO - Ca (OH)2 - CaCl2
Сa+2H2O= Ca(OH)2+ H2
Ca(OH)2+ CO2=CaCO3+H2O
CaCO3=CaO+CO2
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl= CaCl2++2H2O