The use of common salts, e.g., NaCl or CaCl2 anhydrous, is made to clear snow on the roads. This causes:

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A lowering in the freezing point of water.

A lowering in the melting point of ice.

Ice melts at the temperature of atmosphere present at that time.

All of these.

answer is D.

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Detailed Solution

Addition of salt lowers the freezing point of water and thus snow melts

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