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| 1. |
What happen whenIron,copper,silver,aluminium are exposed in atmosphere with moistre |
| Answer» Oxides, sulphide, carbonate are formed. These form a black coating on the metal. In iron the coating i.e rust Fe2O3.xH2O corrodes the metal.Copper forms CuCo3.Cu(OH)2Silver forms Ag2SAluminium forms Al2O3 | |