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The production of sulphur dioxide calls for the utilization of copper turnings as well as concentration. The production of sulphur dioxide calls for the utilization of copper turnings as well as concentration. By gently running inert gas supplies over hot copper turnings at a temperature of 600K, one can use the turnings as a "oxygen getter" for the inert gas supplies. Copper sulate, sulphur dioxide, and water are the products obtained from the reaction of concentrated sulphuric acid with copper turnings.
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.