1. 2Ca+O2=2CaO
CaO+H2O=Ca(OH)2
Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
2. 2Mg+O2=2MgO
MgO+2HCl=MgCl2+H2O
MgCl2 + 2NaOH(разб.) = Mg(OH)2↓ + 2NaCl
Mg(OH)2+2HNO3=Mg(NO3)2+2H2O
1. 2Ca+O2=2CaO
CaO+H2O=Ca(OH)2
Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
2. 2Mg+O2=2MgO
MgO+2HCl=MgCl2+H2O
MgCl2 + 2NaOH(разб.) = Mg(OH)2↓ + 2NaCl
Mg(OH)2+2HNO3=Mg(NO3)2+2H2O