Question

why don't we use water as a therometer liquid ​

Answer 1

Answer:

Water is not helpful to measure below 0oC and above 100oC. The most metals are solids at room temperature but the mercury is liquid form because it has high coefficient of expansion. The mercury does not stick to capillary wall of thermometer and which can easily measure temperature accurately.

Explanation:

pls mark me as brainlist

Answer 2

Explanation:

1. Water is not helpful to measure below 0°C and above 100°C.
2. below 0℃ water is solid and above 100℃ it is boiled
3. so water is not useful,so I stead of water we use metal
4. The most metals are solids at room temperature but the mercury is liquid form because it has high coefficient of expansion.
5. The mercury does not stick to capillary wall of thermometer and which can easily measure temperature accurately.
6. This is the reason why we don't use water
7. But mercury reaches all the requirements so , mercury is used in thermometers