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JAMB Chemistry 1989 Question 14

Question 14

Environmental Pollution

The gaseous pollutant sulphur (IV) oxide is most likely to be detected in fairly reasonable quantities in the area around a plant for the

  1. A.extraction of aluminium from bauxite
  2. B.production of margarine
  3. C.smelting of copper
  4. D.production of chlorine from brine.
Show the answer and explanation

Answer: C (smelting of copper)

Explanation

Copper ores are often sulphides. Roasting and smelting them gives off large amounts of sulphur (IV) oxide.