2Al + 3O₂ = 2Fe(OH)₃2SO₃ + 2H₂O = 2H₂SO₄CuO + 2HCl = CuCl₂ + H₂O2Fe₂O₃ + 4Al = 3Fe + 2Al₂O₃2Ca + O₂ = 2CaO
2Al + 3O₂ = 2Fe(OH)₃
2SO₃ + 2H₂O = 2H₂SO₄
CuO + 2HCl = CuCl₂ + H₂O
2Fe₂O₃ + 4Al = 3Fe + 2Al₂O₃
2Ca + O₂ = 2CaO