Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
The lightest gas that provides a larger elevation for balloons and is the lightest of all gases is _?
- A.Helium
- B.HydrogenCorrect answer
- C.Nitrogen
- D.Oxygen
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Practice these MCQs in the appQuick fact: The lightest of all gases is Hydrogen, which provides greater lift for balloons due to its extremely low density.