Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
The balloon is filled with:
- A.HeliumCorrect answer
- B.Oxygen
- C.Nitrogen
- D.Carbon dioxide
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Practice these MCQs in the appQuick fact: Balloons are typically filled with Helium because it is lighter than air and non-flammable.