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JAMB Chemistry 2001 Question 13

Question 13

Environmental Pollution

The pollution from petroleum spillage in rivers and lakes can best be dispersed by

  1. A.pouring detergents
  2. B.passing of ships through the area
  3. C.pouring organic solvents
  4. D.evaporation
Show the answer and explanation

Answer: A (pouring detergents)

Explanation

Detergents break the oil layer into tiny droplets (emulsify it) so that it spreads out in the water and is broken down more quickly.