Zinc because the only metals that would be able to reduce copper ions in solution would be hydrogen, lead, tin, nickel, iron, zinc, aluminum, Magnesium, sodium, calcium, potassium, and lithium. and according to your answer choices Zinc is the answer.
Answer:
the us and the soviet union
Explanation:
The answer is A.
A pure substance is pure, so it cannot be separated in most cases.
I’m not sure what the answer is but I hope someone can help you