Question

though hydrogen has got the highest calorific value but it is not used as a domestic fuels.why?

Answer 1

There are a lot of aspects that prove hydrogen cannot be used as domestic fuel.

Firstly it is very expensive and difficult to afford.

Then handling hydrogen is not at all easy.

You cannot store the gas and use it whenever required as it gets explosive and cause accidents.

It cannot be burnt.

Answer 2

Although hydrogen has the highest calorific value, it is not used as a domestic fuel. It is because hydrogen is a highly combustible and it reacts explosively when it comes in contact with air. ... So, even though hydrogen has the highest calorific value, it is not used as a domestic fuel.