Question

Silver Article turns black when kept in an open air for some days due to the formation of what? ( Mind it only ARMIES will answer others will be reported ) ( also not delete or report my question )​

Answer 1

Answer:

hey mate !

here your answer

Silver article turns black when kept in the air because silver article reacts with sulphur compounds such as hydrogen sulphide (H2S) present in air.

Ag+H2S→Ag2S+H2

 The phenomenon is called corrosion. For silver particularly, it is called tarnishing of silver.

Silver sulphide (Ag2S) is the black substance formed.

Answer 2

Explanation:

silver article turns black when kept in an open air for some days due to the formation of the layer of silver sulphide