MaxMalytskyy2013id
MaxMalytskyy2013id
Chemistry
Answered
What was helium used for in the past?
Sagot :
Sciencetimes1id
Sciencetimes1id
Helium used to be used in hot air balloons. Then, when the Hindenburg exploded, annexed file, they realized that hydrogen was not only lighter, but it also was less flammable.
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Mathman101id
Mathman101id
Hot air balloons. They have a little hot plate/fire or whatever and they used, and that made the helium rise, thus rising the balloon.
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