Question

what are the advantages of using mercury as thermometric fluid ​

Answer 1

The reasons for using mercury as a thermometric liquid are the following:

1. It expands uniformly when heated.
2. It has low specific heat capacity.
3. I has a high boiling point (357 °C) and a low freezing point (-39 °C).
4. It is a good conductor of heat.
5. It does not stick to the walls of the glass tube.