Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

Dilute sulfuric acid is electrolysed with platinum electrodes. The gas given off at each electrode is collected separately. The gases are then combined and ignited using a lighted splint. What product is formed in this reaction?

  • Ahydrogen sulfide
  • Bsulfur dioxide
  • Csulfuric acid
  • Dwater

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