Question

give reason :
a . mercury is commonly used in thermometer ​

Answer 1

Answer:

The answer is:

Explanation:

Mercury is the only one in liquid state at room temperature. It's used in thermometers because 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:

Mercury is commonly used in thermometer.

Explanation:

It has a high coefficient of expansion.It also has high boiling point which makes it suitable to measure higher temperature.Also it has shiny appearance and hence therfore does not stick to glass.