1. What happened to the hydrogen gas generated in the last reaction? Add hydrogen gas to the cycle.
2. What happened to the aluminum?
3. Why was it important to wash the CuO?
4. What other metals can be easily recycled?
we experiment for recyclying a copper using a copper nitrate, sodium hydroxide and HCL
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If you want help you must provide a clear and concise paragraph about the experiment being conducted.
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