Q. In countries nearer to polar region, the roads are sprinkled with $CaCl_{2}$. This is
A) To minimise the wear and tear of the roads
B) To minimise the snow fall
C) To minimise pollution
D) To minimise the accumulation of dust on the road
Explanation
(a)
In countries nearer to polar region, the roads are sprinkled with $CaCl_{2}$ because $CaCl_{2}$ decreases the freezing point of ice and therefore, minimise the wear and tear of the roads.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.