Question

why is hydrogen not used as a fuel instead of CNG​

Answer 1

Answer:

Thus hydrogen emerges as a cleaner fuel than CNG and other hydrocarbons

Explanation:

this is because hydrogen when brunt produce only water vapours which is not harmful for humans .On the other hand CNG and other hydrocarbon fuels produce carbondioxide

Answer 2

Explanation:

Hydrogen is not used as a domestic fuel, even after having the highest calorific value, because-

a. It is neither cheap nor easily available/abundant.

b. It is not easy to store.

c. It is highly explosive.

d. It does not burn at a slow rate (undergoing controlled combustion).