One special advantage of alcohol over mercury as a thermometric liquid is its?

A. low density
B. low freezing point
C. high specific
D. low boiling point

Correct Answer:

Option B – low freezing point

Explanation

The low freezing point of alcohol, -115°c enables low temperatures to be measured. mercury freezes at 39°c, and cannot be used in countries like Russia where winter temperatures of -40°c are common