Wednesday, April 22, 2009

what is crude oil

Major products of crude oil or petroleum:

what is crude oil :
crude oil is a liquid material based on hydrogen and carbon mainly, but it also include some other particles like oxygen,sulfur etc. but these other non hydrocarbon material is in very less quantity
,in very less percentage, actually it is very natural form of oil found from the earth ,there fore there are dust and  sand particle is also present there in it,
when we refine it, it becomes petroleum oil and some other petroleum products, and after refining it no more crude oil now.

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