Question

state the advanges of mercury thermometer​

Answer 1

Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer. It also has a high boiling point which makes it very suitable to measure higher temperatures.

Answer 2

the Mercury at the lowest melting point and large coefficient of expansion

please mark me as a brainlist answer