CuO>CuSO_4>Cu(OH)_2\\1)Cu(OH)_2=CuO+H_2O\\2)CuO+H_2SO_4=H_2O+CuSO_4\\3)CuSO_4+2NaOH=Na_2SO_4+Cu(OH)_2" alt="1.Cu(OH)_2>CuO>CuSO_4>Cu(OH)_2\\1)Cu(OH)_2=CuO+H_2O\\2)CuO+H_2SO_4=H_2O+CuSO_4\\3)CuSO_4+2NaOH=Na_2SO_4+Cu(OH)_2" align="absmiddle" class="latex-formula">
ZnCl_2>Zn(OH)_2>Na_2ZnO_2 \\1)ZnO+2HCl=H_2O+ZnCl_2\\2)ZnCl_2+2NaOH=2NaCl+Zn(OH)_2\\3)Zn(OH)_2+2NaOH=Na_2ZnO_2+2H_2O" alt="2.ZnO>ZnCl_2>Zn(OH)_2>Na_2ZnO_2 \\1)ZnO+2HCl=H_2O+ZnCl_2\\2)ZnCl_2+2NaOH=2NaCl+Zn(OH)_2\\3)Zn(OH)_2+2NaOH=Na_2ZnO_2+2H_2O" align="absmiddle" class="latex-formula">