Question

Liquid hydrogen is used as full in ____________​

Answer 1

Answer:

hope this answer helps

Answer 2

Explanation:

Answer 1: You can use liquid nitrogen as a fuel for an engine. Here is how it works: Normally, petroleum (like gasoline) is used as a fuel because it is liquid at normal temperature, and when you ignite it, it turns into a hot 500 degree Farenheit high-pressure gas and expands.