Balloons are Filled with Which of The Following Gases?

  1. Helium
  2. Oxygen
  3. Nitrogen
  4. Argon
Anurag Mishra Professor Asked on 22nd September 2015 in Chemistry.
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    Answer: (1) Helium 

    Balloons are filled with helium gas because it is lighter than air. It is the most second abundant element in the universe. It become available on the open market for the first time in 1928. 

    Anurag Mishra Professor Answered on 24th September 2015.
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