Question

Raw material for iron and steel plants​

Answer 1

Explanation:

The iron and steel industry are extracting iron and steel from ores. so the raw material for iron and steel industry are ores like bauxite, hematite, melamine.

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Answer 2

Explanation:

the three raw materials used in making pig iron(which is raw material needed to make steel) are the processed ironore,coke(residue leftsfter heating coal in the absence of air generally containing upto 90 carbon ) and the limestone (caco3)is burnt(cao)which are added to the blast furnace at intervals of time