Chemistry - Metallurgy Question with Solution | TestHub
ChemistryMetallurgyEllingham diagram & Reduction methods, Refining of metalMedium2 minQB
ChemistryMediummultiple choice
To prepare steel from cast iron - impurities are :-
Options:(select one or more)
Answer:
B, D
Solution:
In cast iron, impurities like C, Si, Mn, P are removed during steel making.
These impurities are mainly oxidised, not reduced.
Pure oxygen O2 oxidises impurities directly (e.g., C → CO/CO₂).
Also, added iron oxide (FeO) helps in oxidation of impurities.
So impurities are removed by oxidation by O₂ and FeO.
Answer: (B) and (D)
Stream:JEESubject:ChemistryTopic:MetallurgySubtopic:Ellingham diagram & Reduction methods, Refining of metal
⏱ 2mℹ️ Source: QB
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