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Copper slowly reacts with oxygenIs this a physical or chemical change?

Copper slowly reacts with oxygenIs this a physical or chemical change?
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Copper slowly reacts with oxygenIs this a physical or chemical change?

User Sav
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1 Answer

1 vote

Answer:CHEMICAL

Step-by-step explanation:

it cannot go back to its original state and it reacts.

User Gronnbeck
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