Solutions Question 368
Question: In countries nearer to polar region, the roads are sprinkled with $ CaCl_2 $ . This is
Options:
A) to minimise the snow present on roads
B) to minimise pollution
C) to minimise the accumulation of dust on the road
D) to minimise the wear and tear of the roads
Show Answer
Answer:
Correct Answer: A
Solution:
$ CaCl_2 $ acts as a non-volatile solute and results in depression in freezing point. Thus, snow is reduced and prevents blocking of roads in the polar region.
