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Sunday, August 21, 2011

Chemistry X- COMMON ORES OF ALUMINIUM, IRON AND ZINC



Ore
Chemical name
Formula
1. Bauxite
Hydrated aluminium oxide
A1203.2H20
2. Cryolite
Sodium aluminium fluoride
Na3AlF6
3. Corundum
Anhydrous aluminium oxide
A1203

Ore
Chemical name
Formula
Red haematite
Anhydrous ferric oxide
Fe203
Brown haematite
Hydrated ferric oxide
2Fe203.3H20
Magnetite
Triferric tetraoxide
Fe304
Iron pyrites
Iron disulphide
FeS2
Siderite
Ferrous carbonate
FeC03

Common ores
Chemical name
Formula
Zinc blende
Zincite
Calamine
Zinc sulphide
Zinc oxide
Zinc carbonate
ZnS
ZnO
ZnC03

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