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The iron (III) oxide impurity in bauxite can be removed by?

The iron (III) oxide impurity in bauxite can be removed by?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Fractional crystallization in acid solution
  • B Dissolution in sodium hydroxide and filtration
  • C Extraction with concentrated ammonia and reprecipitation
  • D Electroysis of molten mixture
Correct Answer: Option B
Explanation:

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