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When hydrogen is used in a fuel cell, the only waste product is/are __________
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When hydrogen is used in a fuel cell, the only waste product is/are __________

User Sureshunivers
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4 votes

Answer:

water

Step-by-step explanation:

The only by-products from combining hydrogen and oxygen in a fuel cell are water and heat, so hydrogen fuel cells do not emit greenhouse gases or other air pollutants as engines that use fossil fuels do.

User Rjbogz
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