Question

Which of the following is a disadvantage of hydrogen as a fuel?

• A.
  It has the highest calorific value
• B.
  Its burning does not cause any pollution
• C.
  It burns with an explosion
• D. It can be easily prepared by the electrolysis of water

Answer 1

The correct option is C

It burns with an explosion
Hydrogen gas burns with explosion, which may cause harm if not controlled. This is a disadvantage of using hydrogen as a fuel.

Hence, the correct answer is option (c).