arivergara444 arivergara444

07-10-2017
Physics

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A new statue of the town founder is erected in the park. At the unveiling, the statue is a orange-brown copper. After a year, the statue looks blue-green. Has a physical or chemical change taken place?

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lopeznathaniel4 lopeznathaniel4

07-10-2017

A chemical change? Is the answer to your question

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ike18ellis ike18ellis

07-10-2017

A chemical change has occurred because the copper has been oxidized which is the reason for the color change.

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