1) 2Fe₂O₃ + 3CO = 4Fe + 3CO₂2) PbO + 2Al = Al₂O₃ + Pb3) 2Fe₂O₃ + 6Al = 4Fe + 2Al₂O₃4) 2CuO + Al = 2Cu + Al₂O₃5) Cr₂O₃ + 3Mg = 3MgO + 2Cr
1) 2Fe₂O₃ + 3CO = 4Fe + 3CO₂
2) PbO + 2Al = Al₂O₃ + Pb
3) 2Fe₂O₃ + 6Al = 4Fe + 2Al₂O₃
4) 2CuO + Al = 2Cu + Al₂O₃
5) Cr₂O₃ + 3Mg = 3MgO + 2Cr