Crude petroleum pollutant usually seen on some Nigerian creeks and waterways can be dispersed or…

Chemistry JAMB 1983

Crude petroleum pollutant usually seen on some Nigerian creeks and waterways can be dispersed or removed by

  • heating the affected parts in order to boil off the petroleum
  • mechanically stirring to dissolve the petroleum in water
  • pouring organic solvents to dissolve the petroleum checkmark
  • spraying the water with stergents
  • cooling to freeze out the petroleum

The correct answer is: C

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