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:What causes the following weld defects? (i) Undercut…''.....If it be so; our God whom we serve is able to…The main function of limestone in the blast furnace is to?The function of limestone in the extraction of iron…Wrought iron is obtained by heating cast iron in a…