Question

Why is mercury used in thermometers?​

Answer 1

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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.

Answer 2

Answer:

Explanation:mercury is a metal which stays in liquid form at room temperature. It doesn't stick to glass. It is shiny and it change temp only if body heat is given. It cannot measure surrounding temp. And due to its cheapness it is used in thermometer. But it is not cheaper than alcohol which is used in labrotary thermometer

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