Why Is Salt Put on Icy Sidewalks?

Answer

Salt is put on icy sidewalks to lower the melting point of ice. When salt mixes with water, the freezing temperature lowers, causing the ice to melt underneath it.
1 Additional Answer
Ask.com Answer for: Why Is Salt Put on Icy Sidewalks
Why Is the Salt Put on Icy Sidewalks?
Salts are commonly formed by the reaction of an acid with a base. Common forms of salt include sodium chloride, potassium chloride and calcium chloride. Salts dissolved in water lower the freezing temperature, making them useful for melting snow and ice.... More »
Difficulty: Easy
Source: www.ehow.com
Q&A Related to "Why Is Salt Put on Icy Sidewalks"
Salt is put on icy sidewalks and roadways in order to make the ice melt. Adding salt to water lowers the temperature in which the water will freeze.
http://answers.ask.com/Science/Other/why_is_salt_p...
Depending on the type of salt dissolved in water, it may lower the freezing temperature to as low as -25 degrees Fahrenheit. Application of salts to snow- or ice-covered sidewalks
http://www.ehow.com/facts_7563169_salt-put-icy-sid...
because it will melt the ice on the sidewalks.
http://wiki.answers.com/Q/Why_is_salt_put_on_icy_s...
Some of these answer are kind of amusing, and silly. Salt actually drops the temperature of the ice surrounding it, the process is called endothermic, during this chemical interaction
http://answers.yahoo.com/question/index?qid=200805...
Explore this Topic
Salt is put on icy sidewalks to lower the melting point of ice. When salt mixes with water, the freezing temperature lowers, causing the ice to melt underneath ...
Salt is put on icy sidewalks and roadways in order to make the ice melt. Adding salt to water lowers the temperature in which the water will freeze. ...
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