Question
Which of the following minerals are required for smelting iron ore?
Answer: Option D
Answer: (d)
Manganese ores are used for smelting ferromanganese, cast iron and pig iron containing about 1% Mn.
Besides coal and iron ore, the other basic minerals required for the iron and steel industry are manganese, limestone and chromite. Manganese is used in the process of converting pig iron into steel; limestone or dolomite is used in smelting iron ore, and chromite is used as an alloy in steel making.
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Answer: (d)
Manganese ores are used for smelting ferromanganese, cast iron and pig iron containing about 1% Mn.
Besides coal and iron ore, the other basic minerals required for the iron and steel industry are manganese, limestone and chromite. Manganese is used in the process of converting pig iron into steel; limestone or dolomite is used in smelting iron ore, and chromite is used as an alloy in steel making.
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