A chemical change occurred which is evidenced by the change in color of the solution.
This claim is supported by the fact that the color change in the solution indicates a chemical reaction took place between the iron shavings and the copper (II) sulfate, resulting in a new substance.
The diagram shows a test tube of pure copper (II) sulfate, CuSO4, solution before, during, and after the addition of iron, Fe, shavings.
Which of the following correctly makes and supports a claim about the change that occurred?
Type Answer HERE:
A physical change occurred which is evidenced by the change in color of the solution.
A chemical change occurred which is evidenced by the change in color of the solution.
A physical change occurred which is evidenced by the dissolved iron in the solution.
A chemical change occurred which is evidenced by the dissolved iron in the solution.
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