Chemistry · Non-metals and their Compounds
Helium is preferred over hydrogen in air balloons because it:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Is chemically highly reactive
- 2Is much lighter than hydrogen
- 3Is cheaper than hydrogen
- 4Does not form an explosive mixture with air✓
Correct answer
Does not form an explosive mixture with air
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