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he table shows the percentages of hydrocarbons that are found in a sample of crude oil.


Hydrocarbons

Percentage

Paraffins

30

Naphthenes

49

Aromatics

15

Asphaltics

6


Based on the given information, what is the best classification for this sample of crude oil?

an element

a pure compound

a pure substance

a mixture

Verified Answer :

lianetviera

a mixture because it has different elements mixed together by physical means

Dejanras

Answer is: a mixture.

Crude oil is mixture (solution) consist of several different hydrocarbons (alkanes, alkenes...). This hydroalkanes can be separated from mixture (crude oil) using distilation (usually fractional distillation), because they have different boiling points.  

Proportion of hydrocarbons is diiferent in varios parts of the world.

Solution is homogeneous mixture composed of two or more substances.  

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