Question

In very cold countries alcohol is used as a thermometric liquid because
A) alcohol is a poor conductor of heat
B) alcohol can be coloured for its level to be seen easily
C) its freezing point is very low
D) it will not stick to the glass tube

Answer 1

B) Alcohol freezing point is low.

Alcohol has a freezing point as low as −117°C-117°C. So it won't freeze even in very cold countries.

Answer 2

C) It's freezing point is very low