Helium is used in balloons because it is much less dense than air, allowing the balloons to float and is completely nontoxic and nonflammable unlike hydrogen, which is otherwise a superior lifting gas.
Helium is used in air-ships and balloons because the chemicals mixed together to make the gas, float and when used inside airships and balloons they float, and when you breathe it in it causes your...
After the airship Hindenburg II burned up because of the Hydrogen gas it used. Over 200 people were killed. After this, people realized that Hydrogen was too dangerous to be used. So, they started...
I would like to explain that air balloons are meant to float in air, which requires that a very light gas should be used. Of course, Hydrogen gas is the lightest gas, but it is extremely flammable...
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