Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistrySome Chemical Reactions
What is the effect of burning coal without sufficient air supply?
- A.Production of carbon dioxide
- B.Production of carbon monoxideCorrect answer
- C.Production of sulfur dioxide
- D.Production of nitrogen oxide
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Practice these MCQs in the appQuick fact: Burning coal without sufficient air supply leads to the production of carbon monoxide due to incomplete combustion.