Most liquid fuels in widespread use are derived from the fossilized remains of dead plants and animals by exposure to heat and pressure inside the Earth's crust. However, there are several types, such as hydrogen fuel (for automotive uses), ethanol, jet fuel and bio-diesel, which are all categorized as liquid fuels.
Is petrol a liquid or gas?
Gasoline (/ˈɡæsəliːn/) or petrol (/ˈpɛtrəl/) (see the etymology for naming differences and the use of the term gas) is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines.
Is not liquid fuel?
1. __________ is not liquid fuel. Explanation: Nitric acid is not a fuel, but and oxidizer. HNO3 is also used as a very strong oxidizing agent in chemical reactions.
