Question

why it is so difficult to use hydrogen as a source of energy
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Answer 1

It is very expensive to produce hydrogen from electrolysis of water. It is very difficult to store and transport hydrogen because it is explosively inflamable. It is difficult to use hydrogen as a source of energy because it is highly inflammable and it's cost is very expensive!

Answer 2

=>It is very expensive to produce hydrogen from electrolysis of water. =>It is very difficult to store and transport hydrogen because it is explosively inflamable. It is difficult to use hydrogen as a source of energy because it is highly inflammable and it's cost is very expensive!

hope it will help u