48 For an investigation a student poured a blue solution of Cuso, into a beaker. The student placed a shiny, silver-colored strip of zinc metal in the solution and observed the changes. Observations of an Investigation Zn Cuso, ZnSO4 Blue solution Zinc in blue solution Zinc in clear solution The student inferred that a chemical reaction occurred. What evidence supports this inference? F A dark solid formed on the zinc metal. G The zinc metal remained silver-colored and shiny. H The Cuso, solution turned blue when the zinc metal was added. None of these