Question

A liquid commonly used in laboratory thermometers​

Answer 1

Answer:

Liquid-in-glass thermometers are made of sealed glass and contain a fluid, usually mercury or red alcohol, whose volume changes relative to its temperature. The liquid expands as the temperature rises, rising in the tube and indicating the temperature.

Explanation:

hope helps you!!:D

Answer 2

Answer:

its mercury because it expands when heated and contracts when cooled