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  4. In countries nearer to polar region, the roads are sprinkled with CaCl2 . This is

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Q. In countries nearer to polar region, the roads are sprinkled with $CaCl_2$ . This is

KCETKCET 2009Solutions

Solution:

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.