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Which One of the Following Species or Compounds Reacts at the Cathode

Question 6

Multiple Choice

Which one of the following species or compounds reacts at the cathode in the Hall-Héroult process?

A) Al ₂O ₃
B) Al(OH) ₃
C) F ⁻
D) AlF ₆ ³⁻
E) C

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