1) 2Fe₂O₃ + 3CO = 4Fe + 3CO2) PbO + 2Al = Al₂O₃ + P3) 2Fe₂O₃ + 6Al = 4Fe + 2Al₂O4) 2CuO + Al = 2Cu + Al₂O5) Cr₂O₃ + 3Mg = 3MgO + 2Cr
1) 2Fe₂O₃ + 3CO = 4Fe + 3CO
2) PbO + 2Al = Al₂O₃ + P
3) 2Fe₂O₃ + 6Al = 4Fe + 2Al₂O
4) 2CuO + Al = 2Cu + Al₂O
5) Cr₂O₃ + 3Mg = 3MgO + 2Cr