Question

A hydrometer sinks more in pure water than in salty water. Why?

Answer 1

Answer:

The hydrometer works on the principle that a solid body displaces its own weight of the liquid in which it floats. The hydrometer will float slightly higher in salt water because salt water is more dense that “pure” water.

Answer 2

The hydrometer works on the principle that a solid body displaces its own weight of the liquid in which it floats. The hydrometer will float slightly higher in salt water because salt water is more dense that “pure” water.