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प्रश्न
Explain the following:
Generally sulphide ores are converted into oxides before reduction.
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उत्तर
Sulphide ores cannot be reduced easily but oxide ores can be easily reduced, hence sulphide ores are generally converted into oxides before reduction.
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संबंधित प्रश्न
Is it true that under certain conditions, Mg can reduce SiO2 and Si can reduce MgO? What are those conditions?
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\[\ce{CO2}\] is a better reducing agent below 710 K whereas \[\ce{CO}\] is a better reducing agent above 710 K.
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Silica is added to the sulphide ore of copper in the reverberatory furnace.
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Assertion: For the extraction of iron, haematite ore is used.
Reason: Haematite is a carbonate ore of iron.
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