Question

____________is a shining liquid hence its reading can be easily noted in a thermometer.

Answer 1

Reasons for using mercury in a thermometer:-

1. Mercury is an opaque and shining liquid, hence, it can be seen as a fine thread in the capillary tube.
2. Mercury is a good conductor of heat.
3. Mercury doesn't stick to the glass capillary tube in thermometer.
4. The range of mercury thermometer is quite large.

Mercury is a shining liquid hence its reading can be easily noted in a thermometer.