1) 3Fe(s) + 6HCl(aq) -> 3FeCl2(aq) + 3H2(g)2) Zn(s) + CuO(s) + 2HCl(aq) -> ZnCl2(aq) + CuCl2(aq) + H2O(l)3) 2Al(s) + 6HCl(aq) -> 2AlCl3(aq) + 3H2(g)4) C(s) + 2HCl(aq) -> CH4(g) + H2O(l) + heat5) Cr(s) + 2HCl(aq) -> CrCl2(aq) + H2(g)
1) 3Fe(s) + 6HCl(aq) -> 3FeCl2(aq) + 3H2(g)
2) Zn(s) + CuO(s) + 2HCl(aq) -> ZnCl2(aq) + CuCl2(aq) + H2O(l)
3) 2Al(s) + 6HCl(aq) -> 2AlCl3(aq) + 3H2(g)
4) C(s) + 2HCl(aq) -> CH4(g) + H2O(l) + heat
5) Cr(s) + 2HCl(aq) -> CrCl2(aq) + H2(g)