मराठी

The chemical processes in the production of steel from haematite ore involve ______. - Chemistry (Theory)

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प्रश्न

The chemical processes in the production of steel from haematite ore involve ______.

पर्याय

  • reduction

  • oxidation

  • reduction followed by oxidation

  • oxidation followed by reduction

MCQ
रिकाम्या जागा भरा
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उत्तर

The chemical processes in the production of steel from haematite ore involve oxidation followed by reduction.

Explanation:

Haematite ore (Fe2O3) contains iron in the oxidised form. During the extraction of iron in the blast furnace, the following steps occur. Oxidation of impurities like carbon and sulphur to remove them. Then, the reduction of haematite to iron by carbon monoxide (CO). So, the process involves oxidation followed by reduction.

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पाठ 8: d-and ƒ-Block Elements - OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS [पृष्ठ ४९९]

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पाठ 8 d-and ƒ-Block Elements
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