shrayanya was playing with helium filled balloon brought by her uncle .When she let go of the string she noticed that the balloons was struck to the roof of the room .Why do you think this happened?
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Answer:
Because helium is light gas.
Explanation:
As helium is a light gas it is lighter from other gases so the baloon filled with it was struck to the roof . Helium is chemically unreactive so it is used to fill the playing balloon of children.
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