1.

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

Answer»

To minimisethe snow FALL
To minimise pollution
To minimise the accumulation of dust on the road
To minimise the wear and tear of the roads

SOLUTION :`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.


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