A Factor That Helps Prevent the Widespread Use of Hydrogen

question 17

Multiple Choice

A factor that helps prevent the widespread use of hydrogen as a fuel is

• A) the need to first separate hydrogen from one of its chemical compounds, such as water.
• B) the greenhouse gas produced when it combines with oxygen.
• C) the small amount of energy liberated when it combines with oxygen.
• D) its inability to be used in fuel cells.

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