\(Fe_2O_3+3CO\xrightarrow[]{t^0}2Fe+3CO_3\\ 2Fe+3Cl_2\xrightarrow[]{t^0}2FeCl_3\\ FeCl_3+3NaOH\rightarrow Fe\left(OH\right)_3+3NaCl\\ 2Fe\left(OH\right)_3\xrightarrow[]{t^0}Fe_2O_3+3H_2O\)
Fe2O3 + CO → Fe + CO2
2Fe+ 3Cl2 ➝2FeCl3
FeCl3+3NaOH➝ Fe(OH)3+ 3NaCl
2Fe(OH)3−>FeO3+3H