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NEETChemistryGeneral Principles and Processes of Isolation of Metals

How is the concentration of alumina (Al 2 O 3 ) carried out from bauxite in the leaching process?

Options

  1. ABy using concentrated HCl
  2. BBy heating with a concentrated solution of NaOH
  3. CBy dissolving in water
  4. DBy adding FeSO 4

Correct answer

B. By heating with a concentrated solution of NaOH

Step-by-step solution

The concentration of alumina from bauxite in the leaching process is done by heating it with a concentrated solution of NaOH.

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