5c
2KClO3=2KCl+3O2
C+O2=CO2
5d
2H2O=2H2+O2
H2+Cl2=2HCl
6
Cu+H2O=nu reactioneaza
Ca+2H2O=Ca(OH)2+H2
2K+2H2O=2KOH+H2
Zn+2HCl=ZnCl2+H2
Fe+2HCl=FeCl2+H2
2Al+6HCl=2AlCl3+3H2
3Pb(NO3)2+2Al=2Al(NO3)3+3Pb
Na2CO3+Al=nu reactioneaza
3FeSO4+2Al=Al2(SO4)3+3Fe
3CuSO4+2Al=Al2(SO4)3+3Cu
Mg+Hg(NO3)2=Hg+Mg(NO3)2
Fe+Hg(NO3)2=Hg+Fe(NO3)2
2Al+3Hg(NO3)2=3Hg+2Al(NO3)3
Cu+Hg(NO3)2=Hg+Cu(NO3)2
Ag+Hg(NO3)2=nu are loc
7
2Na+2H2O=2NaOH+H2
3Fe+4H2O=Fe3O4+4H2
Ca+2H2O=Ca(OH)2+H2
