Question

Why water is not used in thermometers instead of mercury?

Answer 1

Answer:

hey mate here is your answer.

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.

Hope it help you...

Answer 2

Answer:

becoz mercury is very easy to used in reading than water

and

water is more denser than mercury