Odpowiedź :
Zadanie 1
2K+2H2O--->2KOH+H2
K2O+H2O--->2KOH
KH+H2O--->KOH+H2
Ba+2H2O--->Ba(OH)2+H2
BaO+H2O--->Ba(OH)2
BaH2+2H2O--->Ba(OH)2+2H2
Zadanie 2
FeCl3+3KOH--->Fe(OH)3↓+3KCl
Cr(NO3)6+6LiOH--->Cr(OH)6↓+6LiNO3
H2+Br2--->2HBr(g)
HBr(g)--H2O-->HBr(aq)
Cl2O5+H2O--->2HClO3
N2O3+H2O--->2HNO2
H2+Cl2--->2HCl(g)
HCl(g)--H2O-->HCl(aq)
H2O+SO2--->H2SO3
Zadanie 3
SO3+H2O--->H2SO4 kwasowy
Na2O+H2O--->2NaOH zasadowy