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JAMB Chemistry 2014 Question 37

Question 37

Metals and their Compounds

In the electrolytic extraction of calcium from calcium chloride, the cathode is

  1. A.zinc.
  2. B.graphite.
  3. C.platinum.
  4. D.iron.
Show the answer and explanation

Answer: D (iron.)

Explanation

In the industrial cell the anode is graphite and the cathode, where calcium collects, is iron.