The purest form of iron is prepared by oxidising impurities from cast iron in a reverberatory furnace. Which iron ore is used to line the furnace? Explain by giving reaction.

 

NEETprep Answer:
 
(a) Haematite Fe2O3ore is used to line the furnace.
 
(b) Fe2O3Haematite lining+ 3CImpurities(present in cast iron) 2FeWrought iron + 3CO