Mg+H2S=MgS+H2
2Ca+ 2H2O=2CaH2+O2
CuO + Mg=Cu+ MgO
Fe2O3+Ca=Fe+CaO
MnO2+Al=Mn+AlO
HCl+Li=LiCl+H2
H2+SnSO3=SnH2+SO3
SnO+H2=Sn+H2O
Sn+H2SO4=SnSo4+H2
(извини не уравнял)
Mg+S2=MgS
Ca+H2=CaH
CuO+H2=Cu+H20
Fe2O3+3C=Fe+3CO
MnO2+H2=Mn+H2O
HCl+Cu=H2
H2+Sn=SnH2
SnH2+H2=H2+H2O
Sn+H2SO4=SnSO4+H2
Mg+H2S=MgS+H2
2Ca+ 2H2O=2CaH2+O2
CuO + Mg=Cu+ MgO
Fe2O3+Ca=Fe+CaO
MnO2+Al=Mn+AlO
HCl+Li=LiCl+H2
H2+SnSO3=SnH2+SO3
SnO+H2=Sn+H2O
Sn+H2SO4=SnSo4+H2
(извини не уравнял)
Mg+S2=MgS
Ca+H2=CaH
CuO+H2=Cu+H20
Fe2O3+3C=Fe+3CO
MnO2+H2=Mn+H2O
HCl+Cu=H2
H2+Sn=SnH2
SnH2+H2=H2+H2O
SnO+H2=Sn+H2O
Sn+H2SO4=SnSO4+H2