Question

Which of the following rocks is
material required for steel
production?​

Answer 1

Answer:

This is the answer

Explanation:

The three raw materials used in making pig iron (which is the raw material needed to make steel) are the processed iron ore, coke (residue left after heating coal in the absence of air, generally containing up to 90% carbon) and limestone (CaCO3) or burnt lime (CaO), which are added to the blast furnace at intervals, ...

Answer 2

Answer:

Iron ore, coal and scrap steel....

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