Paraffin

Diesel fuel is made from crude petroleum. Small amounts of sulfur, nitrogen and oxygen (so-called heteroatoms) are present in this fuel. …

Liquid petrol is relatively heavy. Its S.G. (specific gravity) is around 0.72. (Specific gravity is measured against pure water, where 1 …

LPG is a by product of the refinement of crude oil. LPG is also produced when natural gas (i.e. methane) is extracted from the gas fields …

Natural gas is composed almost entirely of methane although it does contain small amounts of other gases--ethane, propane, butane, and …