Question

Liquid hydrogen can not be easily used as a fuel. Why

Answer 1

This is because hydrogen gas is lighter than air and rises into the atmosphere as a result. Natural hydrogen is always associated with other elements in compound form such as water, coal and petroleum. Hydrogen has the highest energy content of any common fuel by weight.

Answer 2

HOLA MATE....THIS IS YOUR ANSWER.

THIS IS BECAUSE HYDROGEN GAS IS LIGHTER THAN AIR AND RISES INTO THE ATMOSPHERE AS A RESULT. NATURAL HYDROGEN IS ALWAYS ASSOCIATED WITH OTHER ELEMENTS IN COMPOUND FORM SUCHAS WATER, COAL AND PETROLEUM. HYDROGEN HAS THE HIGHEST ENERGY CONTENT OF ANY COMMON FUEL BY WEIGHT.

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