RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY
Reduction of copper (II) oxide using carbon. Clip 3 of 6. This clip is a close-up of a mixture of copper (II) oxide (CuO) and carbon (C) being heated in a glass tube. This reaction reduces the oxide to copper metal (Cu), with the other product being carbon dioxide (CO2). The oxide and carbon are black, with a colour change to reddish-orange indicating the presence of the copper metal. For the full sequence, see clips K004/5556 to K004/5551.
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