Question

1. what physical property could be used to easily separate a mixture of oil and water into pure oil and pure water?

a. odor
b. shape
c. density
d. volume

Explanation:

Oil and water are immiscible liquids with different densities. Oil has a lower density than water, so they separate into layers. Density is used to separate them easily. Odor, shape, and volume are not relevant for this separation.

Answer:

C. density