why do silver turns black when kept in open for a few days (a) name the phenomenainvolved
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Silver turns black when kept in open for few days due to a process called 'corrosion'.
Corrosion is process in which the surface of metals are eaten by air, water or reactive gases.
When silver is kept in open atmosphere, it reacts with hydrogen sulphide and gives silver sulphide which is black in colour.
Corrosion is process in which the surface of metals are eaten by air, water or reactive gases.
When silver is kept in open atmosphere, it reacts with hydrogen sulphide and gives silver sulphide which is black in colour.
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a few days (a) name the phenomenainvolved
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