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Salt and Ice.

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amzrup
 
Reply Wed 18 Feb, 2009 07:42 am
How does salt helps as a de-icer?

In winter season most of the raods and highways are applied with salt .Is there any chemical properties which helps in de-icing. Is there any specific type of salt used and are there any proportion of salt to ice.Does the salt dissolve when the ice melts. The salt helps only on roads or any hard surface.
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Type: Question • Score: 0 • Views: 842 • Replies: 1
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mismi
 
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Reply Wed 18 Feb, 2009 08:53 am
@amzrup,
http://www.highlightskids.com/Science/ScienceQuestions/h1sciQsaltMelt.asp

Apparently it lowers the freezing point of water.
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