Science · Chemistry
Why is helium preferred over hydrogen in air-filled balloons?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It does not form an explosive mixture with air✓
- 2It is lighter than hydrogen
- 3It is chemically more reactive
- 4It is cheaper and more abundant
Correct answer
It does not form an explosive mixture with air
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