Question

mercury is used as a thermometer substance because....mcq ​

Answer 1

Answer:

only one in liquid state at room temperature

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.

Answer 2

Answer:

mercury is used as a thermometer substance because it expandes easily.mercury has more density .it is easily visible in glass tube.