Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
Which gas is commonly used in balloons and airships?
- A.Hydrogen
- B.Nitrogen
- C.HeliumCorrect answer
- D.Oxygen
Timed quizzes, instant results, track your progress — free
Practice these MCQs in the appQuick fact: Helium is the gas commonly used in balloons and airships because it is lighter than air and non-flammable.