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Helium gas is used in gas balloons instead of hydrogen gas...

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Chemistry
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Helium gas is used in gas balloons instead of hydrogen gas because it is

Answer & Solution
Correct Answer: Option C
Helium gas is lighter than air, therefore, a helium balloon rises, it is known as a noble gas and is therefore not reactive. Hydrogen is also lighter than air and even lighter than helium. However, Hydrogen is not used in balloons because it is highly explosive and flammable.
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Mani Gowda
Mani Gowda 5 years ago
Y not A
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