What is the green coating on copper ?
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the green coating on copper is called PATINA
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When copper is exposed to air it forms copper carbonate
Copper carbonate is green in color and it is poisonous in nature
So to remove it tamarind or lime juice is used. Because it forms then corresponding salt and water by which copper carbonate gets removed
Copper carbonate is green in color and it is poisonous in nature
So to remove it tamarind or lime juice is used. Because it forms then corresponding salt and water by which copper carbonate gets removed
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