Add equal parts of copper oxide and charcoal granules to a boiling tube. Using a Bunsen burner heat the tube strongly for 5 minutes and then allow to cool. Small granules of red copper can be seen. Smelting is a chemical reduction of an oxide of a metal with carbon in a furnace. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 4480 px × 6720 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |