Chemistry, asked by prasenjitMaitra, 1 year ago

what is the purpose of addition of CaO during the manufacture of fe

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Answered by raj123458

ans :- CaO(Limestone) is also one of the vital raw materials used in production of iron and steel. ... Silica and alumina are the main impurities of limestone. The limestone which is used in ironmaking is required to contain at least 85 % of calcium carbonate and a low percentage of alumina

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