а)2Ca+O2=2CaO CaO+H2O=Ca(OH)2 Ca(OH)2+2HCl=CaCl2+2H2O CaCl2+H2SO4=CaSO4+2HC
Mg+O2=MgO
MgO + H2So4 = MgSO4 + H2OMgSO4 + 2KOH = Mg(OH)2 + K2SO4MgCl2+2AgNO3=2AgCl+Mg(NO3)
2Сa+ O2 =2 CaO
CaO + H20 =Ca(OH)2
Ca(oh)2 + 2HCL= CaCL2 +2 H2O
2Mg + O2=2Mgo
Mgo + H2SO4 = MgSo4 + H20
Mgso4 +2Hno3=H2so4 + Mg (NO3)2
а)2Ca+O2=2CaO
CaO+H2O=Ca(OH)2
Ca(OH)2+2HCl=CaCl2+2H2O
CaCl2+H2SO4=CaSO4+2HC
Mg+O2=MgO
MgO + H2So4 = MgSO4 + H2O
MgSO4 + 2KOH = Mg(OH)2 + K2SO4
MgCl2+2AgNO3=2AgCl+Mg(NO3)
2Сa+ O2 =2 CaO
CaO + H20 =Ca(OH)2
Ca(oh)2 + 2HCL= CaCL2 +2 H2O
2Mg + O2=2Mgo
Mgo + H2SO4 = MgSo4 + H20
Mgso4 +2Hno3=H2so4 + Mg (NO3)2