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How does road salt work?
Road Salt works because salt has a higher freezing point.
Is Epsom salt a good desiccant?
Yes. As any salt is something that will draw water from whatever you put into the salt. Plain salt may do better. You can find coarse salt used for desalting sidewalks that will work just as well.
What stores sell rock salt?
hardware and grocery stores sell rock salt, more so in the northern states for melting ice on sidewalks, etc
Is road salt a compound?
Yes. Road salt is a compound because it contains two different elements together.
What causes road salt pollution?
Road salt pollution is caused by humans putting tons of salt on the roads in the winter to keep the roads non slippery from the snow
Why does cement crack after salt is put on it when it is frozen?
When cement is frozen it shrinks. the salt adds heat and it expands. The cement is not used to the change and it expands to much and it cracks. just like when paper rips. =============================== I have a different mechanism to propose: -- Salt on the surface of the frozen rock melts the fine layer of ice on the rock, just as it does when salt is used on the roads or sidewalks. -- The liquid water seeps into microscopic cracks in the cement. -- When the water re-freezes, it expands, cracking the cement.
Materials needed to put salt on icy sidewalks?
skills
What is utahs salt used for?
for melting ice on roads and sidewalks.
What is spread on icy sidewalks to lower the freezing point of the water?
Salt
What do table salt matches statues and sidewalks have in common?
They all have sulphur.
When is salt used on ice?
To melt it, usually on sidewalks in the winter months.
How did road salt get its name?
salt + road = road salt... keep it up
What are the drawbacks of using salt on sidewalks?
The drawbacks of salt on a sidewalk are the mess afterwards. The use is also the production of salt needed and the fact that eventually the salt melts as well.
Why do people sprinkle salt in front of there walk way?
Salt melts ice, so it is put on the sidewalks to melt ice.
Why does rock salt used on sidewalks in winter harden in warm weather?
to melt the ice
What do table salt and sidewalks have in common?
Rock salt is used to remove ice from sidewalks in the winter, because the freezing point of salty water is much lower than that of pure water. Salt is commonly used on icy roads, but alternative methods are being investigated in some areas.
Where to get road salt?
Road salt is impure salt directly extracted from mines.
