Question

hydrogen has been used as rocket fuel would you consider it is a cleaner fuel than CNG? why or why not​

Answer 1

Answer:

no

Explanation

As rockets require them , it is used their hence CNG cannot be replaced by it . Hydrogen is a cleaner fuel than CNG because when hydrogen is burnt only water vapour is produced which is not harmful to environment. However, CNG on being burnt produces carbon dioxide along with water vapour

Answer 2

Answer:

Hydrogen can be considered a cleaner fuel because its burning produces water vapour which is non-polluting. However, due to explosive nature of hydrogen, its storage and transportation is difficult.