Rahul has been collecting copper coins one day he observed a green coating of copper coin and a black coating on Silver coin state the chemical phenomenon responsible for these coating and also write chemical names of each cutting
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on coppers coin and on silver coins corrosion has occurred.
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this phenomenon is called rusting or corrosion.
copper + oxygen -> cooper oxyde
it is a chemical change
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copper + oxygen -> cooper oxyde
it is a chemical change
if it helpful plz mark as brainlist and follow me
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