Carbon is often deposited in the exhaust-pipe of cars because of the?

  • A presence of carbon in petrol
  • B dehydrogenation of petrol
  • C incomplete combustion of petrol
  • D presence of additives in petrol
  • E contamination of petrol with diesel
waec 1993chemistry

The correct answer is C. incomplete combustion of petrol

The incomplete combustion process that occurs in an engine; result to the emission of carbon monoxide (CO) as a waste product from the exhaust system of vehicles.

Environmental carbon monoxide is produced by incomplete combustion process from any carbon containing fuel.

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