During refining of liquid iron to steel CaO plays various roles out there which of the following is most important 1 To make a

Question

During refining of liquid iron to steel CaO plays various roles out there which of the following is most important 1 To make a slag with SiO formed 2 To prevent oxidation of sulphur 3 To prevent higher concentration of phosphorus in steel 4 To make a very fluid slag

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