CaCO3 + H2SO4 = CaSO4 + H2CO3 (Carbonic acid)Cu + HCl = CuCl2 + H2 (Hydrochloric acid)AgNO3 + NaCl = AgCl + NaNO3 (Sodium nitrate)Hg + FeCl = HgCl2 + Fe
CaCO3 + H2SO4 = CaSO4 + H2CO3 (Carbonic acid)
Cu + HCl = CuCl2 + H2 (Hydrochloric acid)
AgNO3 + NaCl = AgCl + NaNO3 (Sodium nitrate)
Hg + FeCl = HgCl2 + Fe