1) H₂SO₄+Cu(OH)₂=CuSO₄+2H₂O
2) CuSO₄+2NaOH=Cu(OH)₂+Na₂SO₄
3) Cu(OH)₂+2HCl=CuCl₂+2H₂O
1) C+O₂=CO₂
2) CO₂+Ca(OH)₂=CaCO₃+H₂O
1) H₂SO₄+Cu(OH)₂=CuSO₄+2H₂O
2) CuSO₄+2NaOH=Cu(OH)₂+Na₂SO₄
3) Cu(OH)₂+2HCl=CuCl₂+2H₂O
1) C+O₂=CO₂
2) CO₂+Ca(OH)₂=CaCO₃+H₂O