Give reason Why a copper vessel when exposed to moist air for long acquires a dull green coating.
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Answer:
Copper metal when exposed to air turns green in colour due to corrosion. When copper vessel is exposed to air in rainy season, the metal reacts with gases and moisture and atmospheric gases to form a mixture of copper carbonate and copper hydroxide. This gives a green colour to the surface of copper metal.
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Answer:
because copper reacts with oxygen and moisture and then it gets change its colour after rusting and that's process as corrosion and
Explanation:
prevent method
coating with zinc
galvinasation
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