Chemistry
Give the (i) common (ii) chemical name (iii) formula of two common ores each of aluminium, zinc and iron.
Metallurgy
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Answer
| Metal | Common name of ore | Chemical name of ore | Formula of ore |
|---|---|---|---|
| Aluminium | Bauxite | Hydrated aluminium oxide | Al2O3.2H2O |
| Cryolite | Sodium aluminium fluoride | Na3AlF6 | |
| Zinc | Zinc blende | Zinc sulphide | ZnS |
| Calamine | Zinc carbonate | ZnCO3 | |
| Iron | Haematite | Iron [III] oxide | Fe2O3 |
| Magnetite | Tri iron tetra oxide | Fe3O4 |
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