Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

An electric current is sent through molten sodium chloride with inert electrodes. What is seen at the electrodes?

  • AA colourless gas is produced at the negative electrode.
  • BA pale yellow-green gas is produced at the positive electrode.
  • CA silver-coloured metal is produced at the positive electrode.
  • DNo change is observed because the electrodes are inert.

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