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Why Is Helium Used To Fill Balloons Instead Of Hydrogen?

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Nathan Corrie Profile
Nathan Corrie answered
Simply because while both gases are lighter than air, Hydrogen is extremely volatile and liable to ignite whereas Helium is inert (I think !)
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Anonymous answered
Helium and hydrogen are both very light gases however helium is completely unreactive (inert)
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Anonymous answered
I don't know.....^_^my teacher said that because if they use hydrogen,it will fly up to the air and we also can fly.so,its very dangerous if you use hydrogen to the balloons.

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