Question

why is mercury used in thermometers? ​

Answer 1

Answer:

Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion.  It also has a high boiling point which makes it very suitable to measure higher temperatures. Also, it has a shiny appearance and doesn't stick to the glass surface of glass.

Explanation:

Answer 2

Explanation:

mercury is the only one in liquid state at room temperature. it's used in thermometers because it has a high coefficient of expansion.....it also has a high boiling point which is suitable for measuring high temperatures . Also it doesn't stick to the surface of the glass