1. Cu₂S + 2O₂ → 2CuO + SO₂
2CuO + CaH₂ → 2Cu + Ca(OH)₂↓
2. 2ZnS + 3O₂ → 2ZnO + 2SO₂
ZnO + CO → Zn + CO₂
1. Cu₂S + 2O₂ → 2CuO + SO₂
2CuO + CaH₂ → 2Cu + Ca(OH)₂↓
2. 2ZnS + 3O₂ → 2ZnO + 2SO₂
ZnO + CO → Zn + CO₂