Question

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.

Answer 1

[AI-generated answer — Bot GPT 3.5]

A chemical change occurred which is evidenced by the change in color of the solution.

Support: The color change from blue to green in the solution indicates a chemical reaction took place between the copper (II) sulfate and the iron shavings. This change in color is evidence of a chemical change occurring.

Answer 2

a b c or d

Answer 3

[AI-generated answer — Bot GPT 3.5]

B