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Helium is preferred to hydrogen in filling balloons because hydrogen

Chemistry
WAEC 1999

Helium is preferred to hydrogen in filling balloons because hydrogen

  • A. is inflammable
  • B. is diatomic
  • C. exhibits isotopy
  • D. is a component of water
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Correct Answer: Option A
Explanation

Helium is a colorless, non-toxic, non-flammable gas that is lighter than air. When balloons are filled with helium, they will float.

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