A mixture of Al_(2)O_(3) and Fe_(2)O_(3) can be separated by using
Answer»
SODIUM hydroxide Cold water Ethyl alcohol Boling wate
Solution : NAOH is the leaching reagent which is used to SEPARATE `Al_(2)O_(3) and Fe_(2)O_(3)`from the mixture. NaOH dissolves `Al_(2)O_(3)` but not `Fe_(2)O_(3)`.