Which One of the Following Is False Concerning the Bayer

Multiple Choice

Which one of the following is false concerning the Bayer Process?

A) It is a hydrometallurgical process.
B) It results in the separation of aluminum from iron and silicon.
C) It involves treatment of bauxite with cold, dilute sodium hydroxide solution.
D) It is used to purify bauxite.
E) In the process, aluminum is converted to a soluble aluminate ion.