when a copper object is exposed to moist air for a long time then a green coating is formed on its surface
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25
Answer:
Due to formation of CuO
Copper metal when exposed to air turns green in colour due to oxidation. When copper vessel is exposed to air in rainy season, the metal reacts with gases and moisture and atmospheric oxygen to form a coat of CuO. This gives a green colour to the surface of copper metal.
2Cu + O₂ -------> 2CuO
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23
Answer:
Explanation:
yes, when copper objects are exposed to air then green coating is formed this formation is known as corrosion of copper.COPPER reacts with water and Carbon dioxide and oxygen present in atmosphere which gives copper hydroxide and copper carbonate which turns the vessel green...
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