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P-Block Elements — Easy JEE chemistry MCQ

Which noble gas is used in filling weather balloons?
  1. A. Neon
  2. B. Argon
  3. C. Helium
  4. D. Krypton

Solution

Helium is used in weather balloons because it is non-flammable and has very low density, providing excellent buoyancy.

CHEMISTRY

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Which noble gas is used in filling weather balloons?
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