why do silver articles turn black when kept in open for a few days?
Answers
Answered by
2
Answer:
due to rusting
Explanation:
rusting is a type of corrosion in which a metal is covered with a layer of chemical due to reaction of oxygen ND water vapour
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Answered by
4
Silver article turns black when kept in the air because silver reacts with sulphur compounds such as hydrogen sulphide (H2S) present in air and forms silver sulphide
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