In countries nearer to polar region, the roads are sprinkled with `CaCl_(2)`. This is

Options

A. to minimise the snow fall
B. to minimise pollution
C. to minimise the accumulation of dust on the road
D. to minimise the wear and tear of the roads.

Answer

A

Explanation

`CaCl_(2)` acts as a non volatile solute and results in depression in freezing point. Thus, snow fall is reduced and prevents blocking of roads in the polar region.