Explanation:
He weighed silver, dissolved it in acid, and then recovered all the original silver by reacting the solution with copper. He also showed, by using iron to recover the copper, that this displacement of one metal from its salt by using a second metal was not because of transmutation, as many had held.
(4) slate because it is the strongest
Water and orange juice
Or orange juice and sodium chloride
CO2 and NaCl are both compounds
