Question

whybis mercury is used in temprature​

Answer 1

Answer:

Mercury is the only one in liquid state at room temperature. It's used in thermometersbecause it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer. It also has a high boiling point which makes it very suitable to measure higher temperatures.

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Answer 2

Answer:

It's the only metal liquid at room temperature.

Explanation:

It has high co-efficient of expansion. This means it is quite sensitive to heat, and therefore can be properly used in a thermometer which is a device which is used to measure the temperature of a body.  

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