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Does using oxygen to separate molten copper sulphide into copper and sulphur dioxide count as a physical change
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4 votes
Does using oxygen to separate molten

copper sulphide into copper and sulphur dioxide count as a physical change

User Demoxing
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1 Answer

2 votes
No because I think there is a chemical interaction between the oxygen and copper, but I'm not sure.
User Pjcunningham
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