NO 2 , Na 2 O, FeO, SO 3 , MgO, SiO 2 , SO 2 , Li 2 O, CrO, CaO.
a) Na 2 O + H 2 O = 2NaOH;
SO 3 + H 2 O = H 2 SO 4 ;
SiO 2 + H 2 O = H 2 SiO 3 ;
SO 2 + H 2 O = H 2 SO 3 ;
Li 2 O + H 2 O = 2LiOH;
CaO + H 2 O = Ca (OH) 2 .
б) Na 2 O + 2HCl = 2NaCl + H 2 O;
FeO + 2HCl = FeCl 2 + H 2 O;
MgO + 2HCl = MgCl 2 + H 2 O;
Li 2 O + 2HCl = 2LiCl + H 2 O;
CrO + 2HCl = CrCl 2 + H 2 O;
CaO + 2HCl = CaCl 2 + H 2 O.
в) SO 3 + Ba (OH) 2 = BaSO 4 + H 2 O;
SiO 2 + Ba (OH) 2 = BaSiO 3 + H 2 O;
SO 2 + Ba (OH) 2 = BaSO 3 + H 2 O.
a) Na 2 O + H 2 O = 2NaOH;
SO 3 + H 2 O = H 2 SO 4 ;
SiO 2 + H 2 O = H 2 SiO 3 ;
SO 2 + H 2 O = H 2 SO 3 ;
Li 2 O + H 2 O = 2LiOH;
CaO + H 2 O = Ca (OH) 2 .
б) Na 2 O + 2HCl = 2NaCl + H 2 O;
FeO + 2HCl = FeCl 2 + H 2 O;
MgO + 2HCl = MgCl 2 + H 2 O;
Li 2 O + 2HCl = 2LiCl + H 2 O;
CrO + 2HCl = CrCl 2 + H 2 O;
CaO + 2HCl = CaCl 2 + H 2 O.
в) SO 3 + Ba (OH) 2 = BaSO 4 + H 2 O;
SiO 2 + Ba (OH) 2 = BaSiO 3 + H 2 O;
SO 2 + Ba (OH) 2 = BaSO 3 + H 2 O.