Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
Which of the following is used in fire extinguishers?
- A.Oxygen
- B.Carbon dioxideCorrect answer
- C.Nitrogen
- D.Hydrogen
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Practice these MCQs in the appQuick fact: Carbon dioxide is used in fire extinguishers because it displaces oxygen and cuts off the fire's air supply.