1.

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

Answer»

to MINIMISE the 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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