Asked in Elements and Compounds
Compare between reaction of iron calcium and silver with acid?
Fe + 2HCl -> H2 + FeCl2
Ca + 2HCl -> H2 + CaCl2
Ag + 2HCl -> H2 + AgCl2
In each case the products are hydrogen gas and a salt. The salt depends on the acid and metal used in the reaction, but hydrogen gas is always produced. these reactions are metal/acid reactions, occurring between solid metals and and an acid, whether it be hydrocholic, sulfuric, nitric or other.