Okay right so there's a s there's a system to what's going on with the acids and it's not just one acid like hydrochloric most of the acids will do it some of them do it very readily some of them you have to get the conditions right often you have to get the temperature high to make it to make the reaction go but a metal plus an acid erm  there's a typical one zinc H two S O four gives zinc sulphate and the hydrogen.