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प्रश्न
Which among the following is not is mineral of iron?
विकल्प
Haematite
Magnesite
Magnetite
Siderite
MCQ
उत्तर
Magnesite
Explanation:
| Haematite | Fe2O3 |
| Magnesite | MgCO3 |
| Magnetite | Fe3O4 |
| Siderite | FeCO3 |
∴ Magnesite is the mineral of magnesium (Mg).
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Extraction of Metals
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