Question

The correct order of oxidation of different impurities of pig-iron in the Bessemer process is __________

(a) Silicon, carbon, manganese, sulphur, phosphorus

(b) Silicon, phosphorus, sulphur, manganese, carbon

(c) Carbon, phosphorus, sulphur, manganese, silicon

(d) Carbon, phosphorus, silicon, manganese, sulphur

I have been asked this question in my homework.

This intriguing question originated from Steel topic in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

Answer 1

Right answer is (a) Silicon, carbon, manganese, sulphur, phosphorus

The best I can explain: Bessemer process, used for the manufacturing of steel is adopted for pig iron containing impurities of any kind. The correct order of oxidation of different impurities of pig-iron in this process is Silicon, carbon, manganese, sulphur and phosphorus.