Ответ:

Zn+2HCl=ZnCl2 + H2

2Na + 2HCl = H2 +2NaCl

Ca+2HCI=CACl2+H2

2Al + 6HCl = 2AlCl3 + 3H2

Cu+2HCl=CuCl2+H2

2 Ag + 2 HCl = 2 AgCl + H2