Moderate

In "Down Cells", the cathode is made up of:

Correct answer: C. Iron

  • A. Graphite
  • B. Copper
  • C. Iron
  • D. Inert material

Explanation

The Downs process is a method for the commercial preparation of metallic sodium, in which molten NaCl is electrolyzed in a special apparatus called the Downs cell.The Downs cell uses a carbon anode and an iron cathode.Hence, C is the correct option.

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