In Goldschmidt aluminothermic process . there mite mixture contains

Question

$\begin{array}{1 1} 3\; parts\; Fe_2O_3 \;and\;2 parts\; Al \\ 3\; parts\;Al_2O_3 \;and\; parts\; Al \\ 1 \; parts \;Fe_2O_3 \;and\;12\; parts\; Al \\ 3\; parts Fe_2O_3 \;and\; part\; Al \end{array} $