2K + 2HCl = 2KCl + H2

Ca + 2HCl + CaCl2 + H2

2Na +2 HCl = 2NaCl + H2

Mg + 2HCl = MgCl2 + H2

2Al + 6HCl =2 AlCl3 +3 H2

Zn  +2HCl = ZnCl2 + H2

Fe + 2HCl = ZnCl2 + H2

Ni + 2HCl = NiCl2 + H2

Sn + 2HCl = SnCl2 + H2

Pb + 2HCl = PbCl2 + H2