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  2. Why salt melts ice — and how to use it on your sidewalk - AOL

    www.aol.com/news/chemists-told-us-why-salt...

    Ice has a semi-liquid surface layer; When you mix salt onto that layer, it slowly lowers its melting point.. The more surface area salt can cover, the better the chances for melting ice.. Ice ...

  3. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes and fittings.

  4. Here’s Why You Shouldn’t Use Salt on Concrete - AOL

    www.aol.com/why-shouldn-t-salt-concrete...

    When it snows and the ice starts to melt, the water that soaks in the concrete could refreeze if the temperature starts to drop. As it freezes, the water-turned-ice starts to expand, which can ...

  5. Snow removal - Wikipedia

    en.wikipedia.org/wiki/Snow_removal

    The salt, via freezing point depression, helps melt the snow and ice and also gives vehicles more traction. Later, usually when the snow has ceased falling, snow plows, front end loaders with snowplow attachments, and graders cover every street pushing snow to the side of the road. Salt trucks often then return to deal with any remaining ice ...

  6. Road salt - Wikipedia

    en.wikipedia.org/wiki/Road_salt

    Salt for use of melting ice and snow works through a phenomenon called freezing-point depression, the lowering of a substances freezing point after the addition of solutes. When road salt is added to roads, aside from providing better friction for vehicles on the road, it also dissolves in the water of the ice, resulting in a lower freezing point.

  7. The Easy Way to Melt Ice You Never Knew About (It’s Not Salt!)

    www.aol.com/easy-way-melt-ice-never-210537871.html

    While there are plenty of clever uses for salt, including fixing slippery surfaces, rock salt isn’t always easy to find once temperatures drop lower than the melting point of ice (32°F or 0°C).