metal x becomes green when it left for air ,turns black heated in air what is it
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it is copper because when copper rusts it turns green
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The metal x is copper.compond formed in both the cases is copper oxide.
when it is left in air it reacts with sulphur and turns to form copper sulfide.
when it is burned a copper oxide layer is formed which is black in colour
when it is left in air it reacts with sulphur and turns to form copper sulfide.
when it is burned a copper oxide layer is formed which is black in colour
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