During the extraction of iron in the blast furnace; slag is produced using? by Sunday | Apr 17 | Chemistry NECO | 0 comments A. carbon B. crylite C. limestone D. oxygen E. sulphur Correct Answer: Option C – limestone Users Also Read These:Wrought iron is obtained by heating cast iron in a…The main function of limestone in the blast furnace is to?The raw materials used for the smelting of iron ore…The total money values of all goods and services…The earthly impurities in iron ore are removed in…