Question

State four reasons for using mercury as a thermometric liquid.​

Answer 1

Answer:

Most metals are good conductors of heat and they are solids at room temperature. 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.

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Answer 2

Answer:Mercury is used as a thermometric liquid because:

1) It has a lower freezing point (-39°C) and a high boiling point (35°C). ...

2) It is shiny liquid metal, hence can be easily seen through the glass of the thermometer tube.

3) It has a fairly large expansion for a small change in temperature.

4) It does not stick to the glass tube.