The green coating on the surface oF copper utensils is
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Answer:
patina
Explanation:
Copper turns green because of chemical reactions with the elements. ... 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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The green material is a mixture of copper hydroxide (Cu(OH)2) and copper carbonate (CuCO3).
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