Describe the construction of mercury thermometer.

The principle used in the construction of air (gas) thermometer is

Describe the extraction of Mercury metal from its ore Cinnabar (HgS).

Which one of following properties could not be used as a temperature sensitive property in the construction of thermometer ?

For the construction of a thermometer, one of the essential requirements is a thermometric substance which

The steam point and the ice point of a mercury thermometer are marked as 80^@ and 10^@ . At what temperature on centigrade scale the reading of this thermometer will be 59^@ ?