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A hydrogen fuel cell reacts hydrogen with oxygen from the air to produce electricity and:

AWater
BWaxes
CWoods
DWools
Answer & Solution
Correct answer: A. Water
1. The fuel is hydrogen and the oxidant is oxygen. 2. Their reaction gives one clean product. 3. That product is water. _Source: OpenStax Chemistry 2e, Chapter 17, Electrochemistry._
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