2Al+3H₂ SO₄(разб)=AI2(SO4)3+3H₂
AI2(SO4)3+6NaOH=2Al(OH)₃+3Na₂SO₄
2Al(OH)₃=Al₂O₃+3H₂O
Al₂O₃+3Mg=3MgO+2Al
2Al+3H₂ SO₄(разб)=AI2(SO4)3+3H₂
AI2(SO4)3+6NaOH=2Al(OH)₃+3Na₂SO₄
2Al(OH)₃=Al₂O₃+3H₂O
Al₂O₃+3Mg=3MgO+2Al