WAEC Chemistry 2023 Objective — Question 4
Question 4 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.
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Carbon is deposited in the exhaust pipes of vehicles because of
- A. contamination of petrol with diesel
- B. presence of carbon in petrol
- C. presence of additives in petrol
- D. incomplete combustion of petrolCorrect
Explanation
The presence of carbon deposits in the exhaust pipes of cars is a result of incomplete combustion of the fuel.
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