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...Chemguide questions extraction of metals iron it is difficult to ask anything about this which doesn t insult your intelligence if you are doing a course for year old chemistry students have almost certainly come across all in detail years ago my apologies the diagram shows blast furnace from its ore taken as haematite write equation s each following reactions formation carbon monoxide b two reduced c function limestone most emerging converted into steel involves removal elements like sulphur phosphorus and silicon basic oxygen process does stages describe briefly how removed first stage other second making clear what happens present impure www co uk major impurity cast that affect properties mild contains less than material percentage increases high differ wrought d alloyed with make stainless e give use manganese i am not going even attempt environmental consequences examiners such they unlikely be worth much more single mark check past papers see learn just enough satisfy them...