silver article turns black when kept in the open for a few days due to formation of_______________.
kitty6831:
corrosion
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silver oxide ..
it is black in colour
Ag +O2 -> Ag2O
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it is because of the corrosion because corrosion takes place in the open areas and except iron it react on all metals
the opposite of corrosion is rancidity
it only react with iron substance.
hope this will help you mate
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