a) Ca + 2HCl = CaCl2 + H2
b) Mg + 2HCl = MgCl2 + H2
c) Zn + 2HCl = ZnCl2 + H2
d)2Cu + 2HCl = 2CuCl +H2
a) Ca + 2HCl = CaCl2 + H2
b) Mg + 2HCl = MgCl2 + H2
c) Zn + 2HCl = ZnCl2 + H2
d)2Cu + 2HCl = 2CuCl +H2