Ответ:

2Li + H₂SO₄ = Li₂SO₄ + H₂

6Li + Fe₂(SO₄)₃ = 3Li₂SO₄ + 2Fe

2Al + 3H₂SO₄ = Al₂(SO₄)₃ + 3H₂

2Al + Fe₂(SO₄)₃ = Al₂(SO₄)₃ + 2Fe

Sn + AgNO₃ = Sn(NO₃)₂ + Ag

Sn + 2HCl = SnCl₂ + H₂

Fe + 2AgNO₃ = Fe(NO₃)₂ + 2Ag

Fe + 2HCl = FeCl₂ + H₂