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Chemical change
chemical - due to copper contact with oxygen copper oxide
no because all you are doing is changing the shape and form
If you use a abrasive to scrape the rust off, then it is a physical change. If you utilize a chemical that combines with the rust leaving the unoxidized penny behind, then it is a chemical change.
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false
false
Chemical change
physical
No its a chemical change because the acid in the rain reacts with the copper in the statue having a reaction oxidizing it and turning it green.
i m pretty sure a colour change represents a Chemical change
chemical - due to copper contact with oxygen copper oxide
I think that its a chemical change because you cant put its back into what its was before you carved it .
It is chemical. The copper in bronze turns green when it oxidizes.
no because all you are doing is changing the shape and form
This is a physical change because wind and erosion are part of the physical category. Chemical change is where things happen involving actual chemicals . Wether the chemicals are from nature or not , Chemicals are chemicals. hope this helped ;] ~Lily
If you use a abrasive to scrape the rust off, then it is a physical change. If you utilize a chemical that combines with the rust leaving the unoxidized penny behind, then it is a chemical change.