When a copper object is exposed to moist air for a long time, then a green coating is formed on its surface. (a) what is the material of the green coating?
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Copper oxide [CuO ] is the material of green coating
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Hey mate.....☺
Here's ur ans. ⬇
When a copper object is exposed to air for a long time it starts corroding .
And a green coating forms which is known as copper oxide
The green layer is of petina
Here's ur ans. ⬇
When a copper object is exposed to air for a long time it starts corroding .
And a green coating forms which is known as copper oxide
The green layer is of petina
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