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What Is Not an Appropriate Method for the Isolation of Elemental

Question 172

Multiple Choice

What is not an appropriate method for the isolation of elemental boron?


A) refluxing borax with sodium peroxide
B) high temperature reduction of B2O3 with magnesium
C) high temperature reduction of BBr3 with hydrogen over a Ta wire
D) electrolytic reduction of aqueous B(OH) 3

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