A) Steel
B) Wrought iron
C) Pig iron
D) Cast iron
Correct Answer: C
Solution :
Bessemer converter is used to purify Pig Iron by passing compressed air over pig iron in Bessemer converter to produce slag. \[2Mn+{{O}_{2}}\xrightarrow{{}}2MnO\]; \[Si+{{O}_{2}}\xrightarrow{{}}Si{{O}_{2}}\] \[2C+{{O}_{2}}\xrightarrow{{}}2CO\]; \[MnO+Si{{O}_{2}}\xrightarrow{{}}\underset{\text{Slag}}{\mathop{MnSi{{O}_{3}}}}\,\]
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