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Because it melts the ice. Salt melts ice within a certain temperature range. If the weather is sufficiently cold, the ice won't melt even if salt is used, however it's usually not that cold. Salty water has a lower freezing temperature than pure water.

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14y ago

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Related Questions

Is icy salt water colder than icy fresh water?

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How do they get salt for icy roads out of a freshwater lake?

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How would you increase the friction on an icy roadway?

To increase friction on an icy roadway, you can apply materials such as sand, salt, or gravel to the surface. These materials help to provide better traction for vehicles driving on the icy road. Additionally, reducing speed and avoiding sudden changes in direction can also help maintain control on icy roads.


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If you add salt to water does it make the water hot or cold?

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Materials needed to put salt on icy sidewalks?

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How does adding salt to icy water make it colder?

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