Question

What must be done to crude oil for it to be separated?
It must be chemically altered.

It must be vaporized.

It must be filtered.

It must be passed over a piece of paper.

I doubt it is D. That just seems silly to me, and I highly doubt it is altered. Not in this case. I have googled through several sites on what to do but just can't find it. I will fan & medal. Thanks.

Answer 1

It must be vapourized.

Answer 2

@Sophhh786 that's what I concluded on after looking and reading more about it. Thanks.

Answer 3

welcome!