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Question
Answer the following question:
Write the chemical formula of one main ore of iron and aluminium.
Solution
Ores of iron
|
Name |
Chemical name |
Formula |
|
Red Haematite |
Anhydrous ferric oxide |
Fe2O3 |
|
Brown Haematite |
Hydrated ferric oxide |
2Fe2O3.3H2O |
Ores of aluminum
|
Name |
Chemical name |
Formula |
|
Bauxite |
Hydrated aluminium oxide |
Al3O32H2O |
|
Cryolite |
Sodium aluminium oxide |
Na3AlF6 |
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