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Salt lowers the freezing point of water up to about -20C or 0F. So water will remain liquid on the salty road surface up to a point.

Actually, Fahrenheit himself chose his 0-degree point as the lowest temperature for which water would remain liquid for any amount of dissolved salt in it.

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8y ago
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16y ago

It eats into the road surface causing potholes. It lowers the freezing temperature of the ice and melts it away. See the related link for more information..

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13y ago

The temperature of ice when salt is added is below 0 degrees, that's why salt is used to melt ice

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9y ago

We can use chlorides of sodium, calcium or potassium.

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Q: How can salt help prevent a buildup of ice on a road?
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How did road salt get its name?

salt + road = road salt... keep it up


Where to get road salt?

Road salt is impure salt directly extracted from mines.


How does road salt work?

Road Salt works because salt has a higher freezing point.


What are some uses for road salt?

Road salt is used for deicing.


What are the bad effects of road salt?

Road salt causes corosion of vehicles


What is road salt used for?

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