All of the following are disadvantages of using hydrogen as an energy source except:
A) high volatility
B) relatively low energy density
C) hydrolysis is relatively inefficient
D) electricity must be used to produce it

Question

Quizplus · Accepted Answer

Hydrogen has a higher energy density compared to fossil fuels by weight, but a lower energy density by volume. This means that it requires more space to store the same amount of energy as gasoline or diesel. The other options listed are all valid disadvantages of using hydrogen as an energy source.

All of the Following Are Disadvantages of Using Hydrogen as an Energy