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) Fe2O3Haematitelining+3CImpurities(presentincastiron)2FeWroughtiron+3CO