when a copper object is exposed to air it form a green coating . what is the material of the green coating
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When a copper object is exposed to air, then Cu reacts with O2
present in the air a basic oxide. The Cu metal gets rusted when O2 reacts. to it .
The Cu metal gets corroded.
Hope it helps , friend .
present in the air a basic oxide. The Cu metal gets rusted when O2 reacts. to it .
The Cu metal gets corroded.
Hope it helps , friend .
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Explanation:
WHEN A COPPER OBJECT REMAINS IN DAMP SIR FOR A CONSIDERABLE TIME,THEN COPPER REACTS SLOWLY WITH THE CARBON DIOXIDE AND WATER VAPOURS OF AIR TO FORM A GREEN COATING OF BASIC COPPER CARBONATE ON THE SURFACE OF THE OBJECT.
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