10
KMnO4=K2MnO4+MnO2+O2
Al+HCl=AlCl3+H2
KMnO4+H2O2+H2SO4=O2+MnSO4+K2SO4+H2O
Cu+H2SOOO2=CuSO2O2+SO2+H2O
Cu+HNO3=CuN2O6+NO+H2O
FeO3Fe+Al=Fe+Al2O3
FeSO4+NaOH=FeO2H2+Na2SO4
OMnO2O+H2S+H=Mn+S+H2O
Cl2+NaOH=NaClO+NaCl+HOH+Fe
H8+S8+FeFe2FeFe4+Cl8Na8=H4H3H2+S9+Fe9+Cl9+Na9
