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KCET2011ChemistryGeneral Principles and Processes of Isolation of Metals

Which one of the following is true?

Options

  1. ANaOH is used in the concentration of bauxite ore
  2. BNaOH is a primary standard in volumetric analysis
  3. CManganous hydroxide is soluble in excess of NaOH solution
  4. DNaOH solution does not react with Cl

Correct answer

A. NaOH is used in the concentration of bauxite ore

Step-by-step solution

NaOH is used in the concentration of bauxite ore.

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