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JAMB Chemistry 1987 Question 15

Question 15

Environmental Pollution

Oil spillage in ponds and creeks can be cleaned up by

  1. A.burning off the oil layer
  2. B.spraying with detergent
  3. C.dispersal with compressed air
  4. D.spraying with hot water.
Show the answer and explanation

Answer: B (spraying with detergent)

Explanation

Detergents emulsify oil, breaking the layer into tiny droplets that can be dispersed and broken down.