Question

Why isn’t hydrogen gas used as a domestic or industrial fuel, although it has a very high calorific value? State three reasons for the answer.​ [3 marks]

Answer 1

Although hydrogen gas has a very high calorific value, it is not used as a domestic or industrial fuel due to the following reasons:​ ​
$\bullet$ It is expensive.​ [1 mark]
$\bullet$ It burns explosively.​ [1 mark]
$\bullet$ It is highly inflammable, so it is risky to store and transport it.​ [1 mark]