Copper reacts with moist carbon dioxide with
air & slowly losses its shine to gain green
Coat of ___
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Answer:copper carbonate
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Answer: When copper is exposed to air, it reacts with moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat. This green substance is basic copper carbonate (CuCO3. Cu (OH)2). The formation of this green coating on the surface of a copper object corrodes it.
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