1.

In the Bessemer and open-hearth process for the manufacture of steel, which one of the following is used for the removal of carbon in part or whole

Answer»

`{:("BESSEMER","Open-hearth"),("(a)Ferric oxide","Air"):}`
`{:("Bessemer","Open-hearth"),("(b)Air","Ferric oxide"):}`
`{:("Bessemer","Open-hearth"),("(c)Oxygen","SCRAP IRON"):}`
`{:("Bessemer","Open-hearth"),("(c)Air","Scrap iron"):}`

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