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Sterling silver is a mixture of the metals silver and copper.It is used to make jewellery.sometimes sterling silver causes green staining on skin.Which metal do you think is responsible for this?Explain
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Sterling silver is a mixture of the metals silver and copper.It is used to make jewellery.sometimes sterling silver causes green staining on skin.Which metal do you think is responsible for this?Explain why.

User Nakul Chaudhary
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The composition of 925 Sterling Silver lends itself to the occasional green discoloration because of the presence of copper

User PeterBelm
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