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 main function of limestone in the blast furnace is to?The process of extraction of iron from its ore is?The function of limestone in the extraction of iron…Wrought iron is obtained by heating cast iron in a…In the extraction of iron; hot air is introduced…