When Cu is exposed to moist air, which of the following is for
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Explanation:
Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide
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Answer:
When Cu is exposed to moist air, it reacts with the water molecules and the atmospheric gases present in the air and gets coated by a green coating due to corrosion. The products formed after the corrosive reaction are copper carbonate and copper hydroxide which gives the green color to the copper metal.
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