Question

why silver articles changes into black​

Answer 1

Answer:

Silver becomes black because of hydrogen sulfide (sulfur), a substance that occurs in the air. When silver comes into contact with it, a chemical reaction takes place and a black layer is formed. ... The oxidation of silver jewelry is a sign that it is really silver. Other (noble) metals oxidize differently.

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Answer 2

Answer:

Silver becomes black because of hydrogen sulfide (sulfur), a substance that occurs in the air. When silver comes into contact with it, a chemical reaction takes place and a black layer is formed. ... The oxidation of silver jewelry is a sign that it is really silver. Other (noble) metals oxidize differently.