2HgO = 2Hg + O2
Cu + Cl2 + 2KOH = Cu(OH)2 + 2KCl
Zn + 2HCl = ZnCl2 + H2
2Al + 6HCl = 2AlCl3 + 3H2
Na2SO4+BaCl=2NaCl+BaSO4
2HgO = 2Hg + O2
Cu + Cl2 + 2KOH = Cu(OH)2 + 2KCl
Zn + 2HCl = ZnCl2 + H2
2Al + 6HCl = 2AlCl3 + 3H2
Na2SO4+BaCl=2NaCl+BaSO4