Which of the following if present in iron ore, enhances its value ?
Correct answer: A. Lime & Magnesia
- A. Lime & Magnesia
- B. Alkali oxide
- C. Alumina
- D. None of these
Explanation
Lime and magnesia are useful basic fluxing constituents in iron ore and can improve its metallurgical value. Alumina and alkali oxides are generally undesirable gangue materials because they increase slag-related difficulties.
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