Question

mercury is chosen as thermometeric liquid , why​

Answer 1

Answer:

because it doesn't react with atmospheric temperr

Answer 2

Answer:

Here is your answer.

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Explanation:

Reasons for using mercury as a thermometric liquid are :

(a) Mercury has uniform contraction and expansion

(b) Mercury does not stick to the sides of the capillary tube

Thus it helps in recording accurate temperature

(c) Mercury is opaque and shining Thus it can be easily seen as a fine thread in the capillary tube

(d) It has high boiling point 257°C and low freezing point (−39 ℃) so it can be used to measured and only wide range of temperatures .

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another 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.

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