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:The raw materials used for the smelting of iron ore…The process of extraction of iron from its ore is?The main function of limestone in the blast furnace is to?Wrought iron is obtained by heating cast iron in a…The gas produced during tissue respiration can be…