Fe2O3 + 3H2 = 2Fe + 3H2O
2FeO + C = 2Fe + CO2
Pb3O4 + 4H2 = 3Pb + 4H2O
2Cu2O + C = 4Cu + CO2
2CrO3 + 3C = 2Cr + 3CO2
2P2O5 + 5C = 4P + 5CO2
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Fe2O3 + 3H2 = 2Fe + 3H2O
2FeO + C = 2Fe + CO2
Pb3O4 + 4H2 = 3Pb + 4H2O
2Cu2O + C = 4Cu + CO2
2CrO3 + 3C = 2Cr + 3CO2
2P2O5 + 5C = 4P + 5CO2