Question

why crude oil is called mixture​

Answer 1

Answer:

Crude oil is a mixture of a very large number of compounds. It is formed from the remains of plants and animals which died millions of years ago. ... Most of the compounds in crude oil consist of molecules made up of hydrogen and carbon atoms only, we call these type of compounds hydrocarbons.

Answer 2

Answer:

crude oil is a mixture.

Explanation:

Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon), though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.