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
Explanation
The low freezing point of alcohol, -115°c enable 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