Question

what is the colour of rusting of copper​

Answer 1

Answer:

Just as iron that is left unprotected in open air will corrode and form a flaky orange-red outer layer, copper that is exposed to the elements undergoes a series of chemical reactions that give the shiny metal a pale green outer layer called a patina

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Answer 2

Answer:

First its colour will be dark brown or black .Finally it turns blue-green.

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