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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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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709