1)3NaOH + FeCl3 = 3NaCL + Fe(OH)3
2) Fe + 2HCL= FeCl2 + H2
3) 2Fe(OH)3 + 3H2SO4 = Fe(SO4)3 + 6H2O
4) NaOH + HCl=NaCl + H2O
5)3NaOH + FeCl3 = 3NaCl + Fe(OH)3
6)CaCO3 + H2So4 = CaSO4 + H2o + Co2
7)<span>Fe2O3 + 3H2so4 = Fe(SO4)3 + 3H2O</span>
<span>8)<span>Fe(OH)3 + 3H2SO4 = Fe(SO4)3 + 6H2O</span></span>
<span><span>9)<span>CuSO4 + 2NaOH = Cu(OH)2 + Na2SO4</span></span></span>
<span><span><span>10) <span>Cu(OH)2 + 2HCL = CuCl2 + 2H2O</span></span></span></span>