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Question 0

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

  • 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
  • E.
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1986
Question no.
#0
Type
Objective
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