Question

why this happened


Silver articles when exposed to air gradually turn Blackish​

Answer 1

Answer:

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Silver article when exposed to air gradually turn blackish because silver metal react with sulphur present in atmosphere and forms a layer of silver sulphide which is of black in colour.

Answer 2

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Silver articles when exposed to air gradually turn Blackish because the layer of the silver sulphide formed by reaction of silver with hydrogen sulphur in the air .