Which statement best describes the use of hydrogen as a fuel source?

Question

Quizplus · Accepted Answer

Experimental cars have been developed that are powered by hydrogen fuel cells, which convert hydrogen into electricity to power the vehicle. Hydrogen fuel cells have shown promise as a clean energy source for transportation.

Option B is false as some metals such as palladium can store and release hydrogen.

Option C is false as when burned, hydrogen produces only water vapor and no air pollutants.

Option D is false as fuel tanks containing metal-hydrogen compounds have been developed and are used safely in hydrogen fuel cell vehicles.

Which Statement Best Describes the Use of Hydrogen as a Fuel