Join Examsbook
Filling helium in balloons is considered more useful than hydrogen, because?
5Q:
Filling helium in balloons is considered more useful than hydrogen, because?
- 1it is cheapfalse
- 2less heavyfalse
- 3more flying abilityfalse
- 4it does not form explosive mixture with airtrue
- Show AnswerHide Answer
- Workspace