Give reason why silver jewellery turns dark over a period time
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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. Silver oxidizes faster in places with a lot of light and high humidity.
Answered by
1
Answer:
because if it reacts with moisture present in air it gets tarnished and turns into black colour
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