Question

An egg just sinks when it is dropped in a container filled with water. If common salt is added to the water, then what will happen to the egg?

• A. The volume of the liquid decreases
• B. The egg stays as it is
• C. The egg floats up
• D. Cannot be determined

Answer 1

The correct option is C The egg floats up

When salt is added to the container, the density of the liquid increases. As more salt is added, the density keeps increasing, to the point that the solution is denser than egg. At that point, the egg starts to float.