Question

Which one of the following is NOT a mixture?

A.
crude oil

B.
air

C.
sugar

D.
paint

Answer 1

Answer:

air

Explanation:

Air not mixture........

Answer 2

A mixture is when two or more substances combine physically together. However, in water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone. ... Therefore, water is not a mixture; it is a compound and it is pure.

A. crude oil...