Вариант 1
2H2+O2-->2H2O
H2+Cl2-->2HCl
H2+Mg-->MgH2
FeO+H2-->Fe+H2O
H2+PbO-->Pb+H2O
Al2O3+3H2-->2Al+3H2O
2H2+MnO2-->Mn+2H2O
2HI-->H2+I2
H2+FeO-->Fe+H2O
Вариант2
H2+I2-->2HI
H2+3N2-->2HN3
CuO+H2-->Cu+H2O
H2+ZnO-->Zn+H2O
Fe2O3+3H2-->2Fe+3H2O
3H2+WO3-->W+3H2O
2HBr+2Na-->2NaBr+H2
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Answers & Comments
Вариант 1
2H2+O2-->2H2O
H2+Cl2-->2HCl
H2+Mg-->MgH2
FeO+H2-->Fe+H2O
H2+PbO-->Pb+H2O
Al2O3+3H2-->2Al+3H2O
2H2+MnO2-->Mn+2H2O
2HI-->H2+I2
H2+FeO-->Fe+H2O
Вариант2
2H2+O2-->2H2O
H2+I2-->2HI
H2+3N2-->2HN3
CuO+H2-->Cu+H2O
H2+ZnO-->Zn+H2O
Fe2O3+3H2-->2Fe+3H2O
3H2+WO3-->W+3H2O
2HBr+2Na-->2NaBr+H2
H2+ZnO-->Zn+H2O