PREVIOUSLY ASKED IN:
PSC Miscellaneous 2012
Answer
Helium
Explanation
Helium gas is used in balloons to make them float because it is lighter than air and non-flammable, which makes it safe.
Key Points
- > Helium is used to float balloons
- > Lighter than air
- > It is an inert gas
Additional Information
- Helium is safer than hydrogen because hydrogen is flammable.
- Helium is a noble/inert gas.
| Subject | Detail |
|---|---|
| Gas | Helium |
| Usage | Floating Balloons |