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Give Reasons for the Following: Helium Replaced Hydrogen in Weather Observation Balloons? - ICSE Class 8 - Chemistry

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Question

 Give reasons for the following:

Helium replaced hydrogen in weather observation balloons?

Solution

If there is small leakage of hydrogen in a balloon, it forms a mixture with air that can explode. So helium has replaced hydrogen.

  Is there an error in this question or solution?
Solution Give Reasons for the Following: Helium Replaced Hydrogen in Weather Observation Balloons? Concept: Concept of Hydrogen.
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