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Question
Write the names and chemical formulae of any one ore of iron.
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Solution
The important ores of iron are
Haematite Fe2O3,
Limonite 2Fe2O3.3H2O,
Magnetite Fe3O4,
Siderite FeCO3 and
Pyrite FeS2.
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| (One) | (Composition) | ||
| (A) | Siderite | (I) | FeCO3 |
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| (C) | Sphalerite | (III) | ZnS |
| (D) | Calamine | (IV) | ZnCO3 |
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