51. Name the method used for the purifiion o red bauxite .
WEBQuestion. 51. Name the method used for the purifiion o red bauxite where the following reaction involved + Na2CO3 → 2 NaAlO2 + CO2 + 2H20 1) Baeyer's method 2) Hall's method 3) Serpeck's method 4) Hoope's method. Solution.