Consider the following differences between Hydrogen and Helium gases:
- While Helium is a non-flammable gas, Hydrogen is a flammable gas
- Helium is lighter than Hydrogen gas
Which of the above statements is/are correct?
Hydrogen and helium are two most commonly used uplift gases. Although helium is twice heavy as hydrogen, but being a non-flammable gas, it is preferred over hydrogen (flammable gas).
This question is a part of GKToday's Integrated IAS General Studies Module