why is helium preferred over hydrogen to fill balloons and airships ?
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Answered by
8
✔✔helium is lighter in wait it is easily lift over the airships.
✔✔Its cost is less as compared to hydrogen
✔✔When it came in contact with air it does not burn like hydrogen burn as a bomb.
✔✔It is a noble gas which is not reactive
Hope it helps u❤☺
Answered by
5
Both hydrogen and helium are gases which are lighter than air, but helium is a noble gas which is is not reactive so the prefer to use helium than hydrogen in balloons and airships
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