Question

Why do we use mercury as a liquid in thermometers? Write at least three important points.

Answer 1

Answer:

a) Mercury is liquid at room temperature

b) It has high coefficient of expansion due to which it can measure slightest change in the temperature

c) It has high boiling point so it can be used to measure high temperatures

Answer 2

To stay alive, the organism takes in important materials for making energy, while shuttling out toxic substances such as waste products. In this regard, water is essential simply because it's a liquid at Earth-like temperatures. ... The humble water molecule is made up of two hydrogen atoms bonded to an oxygen atom.