Chemistry 5070 · O Level · Electrolysis

Electrolysis — practice question

Which gases are present at the positive electrode during aluminium manufacture?

  • A$\text{CO},\ \text{H}_2,\ \text{CO}_2$
  • B$\text{CO},\ \text{SO}_2,\ \text{H}_2\text{O}$
  • C$\text{O}_2,\ \text{CO},\ \text{CO}_2$
  • D$\text{SO}_2,\ \text{H}_2,\ \text{O}_2$

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