Ap EapcetMetallurgyAP EAPCET 2024 - 21th May Evening ShiftMCQ+1 / -02024The flux used in the preparation of wrought iron from cast iron in reverberatory furnace isA$\mathrm{SiO}_2$B $\mathrm{CaCO}_3$C CD NaCNCheck AnswerClear SelectionReveal AnswerShow Explanation