Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
What poisonous gas is produced when coal is burned without enough air supply?
- A.Carbon dioxide
- B.Carbon monoxideCorrect answer
- C.Sulfur dioxide
- D.Nitrogen dioxide
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Practice these MCQs in the appQuick fact: The poisonous gas produced when coal is burned without enough air supply is carbon monoxide.