Mineral oil is less dense than water. Mercury, a liquid metal, is more dense than water. If mineral oil, and water were mixed together, which liquid would float to the top? (Act 4)
A. Mercury
B. Mineral oil
C. Water
D. Both mercury and mineral oil would float to the top
B. Mineral oil
Mineral oil is less dense than water, so it would float on top of the water. Mercury, on the other hand, is more dense than water and would sink to the bottom if combined with water.