The diagram shows a test tube of pure copper (II) sulfate, CuSO4

, solution before and after the addition of iron, Fe
, shavings.


Which of the following correctly makes and supports a claim about the change that occurred?
A.
A chemical change occurred, which is evident by the formation of a precipitate in the solution.

B.
A physical change occurred, which is evident by the formation of a precipitate in the solution.

C.
A chemical change occurred, which is evident by the change of color of the solution.

D.
A physical change occurred, which is evident by the change of color of the solution.

C.

A chemical change occurred, which is evident by the change of color of the solution.