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Q. Is copper turnings pure substance or mixture?

Answer

Therefore, copper turning, in any of its forms, is an unadulterated substance (only copper atoms). Black copper sulfide is the end product that results when sulphur powder and copper turnings are heated together. Because copper and sulfur cannot be extracted from copper sulfide using traditional techniques, the combination is referred to as a compound. Patina is the naturally occurring green or brown film that develops on the surface of copper as a result of a sequence of chemical reactions. This film is known in the scientific community as patina. When copper is exposed to oxygen and allowed to oxidize over time, it develops a patina.

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