It has different types of elements in it (some a compounds). Not just one type. These are not chemically bonded making it a mixture.
It is a mixture of hydrocarbons, which can be separated by fractional distillation. Oil is NOT an element.
Crude Oil is hydrocarbon and it is mixture of carbon and hydrogen.
mixture
Crude oil contains a mixture of hydrocarbons molecules
Crude oil is a mixture of compounds, mainly hydrocarbons and derivatives of hydrocarbons.
Crude Oil is typically a heterogeneous mixture.
it is a mixture
Crude oil is a mixture of various chemicals. If you distill crude oil you can separate it into components, which are also known as fractions.
Crude oil is a complex mixture of a great many different chemicals.
a mixture of hydrocarbons
itsmadeoflotsofhydrocarbens
because crude oil is made out of two differents elements