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To harden the surface

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13y ago
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4mo ago

Salt lowers the freezing point of water, causing the ice to melt and preventing the formation of more ice. This can help reduce slippery conditions on roads and sidewalks by creating a slushy mixture that is easier to shovel or plow away.

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Q: Why do some cold countries put salt on ice?
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How can the salt melt the ice even when the salt is cold?

Salt lowers the freezing point of water by disrupting the formation of ice crystals. When salt is added to ice, it mixes with the thin layer of liquid water on the ice's surface, forming a saltwater solution. This solution has a lower freezing point than pure water, causing the ice to melt even though the salt itself is cold.


What is a factor which causes the salinity of the poles?

One factor that causes the high salinity of the polar regions is the freezing and subsequent rejection of salt from sea ice formation. When seawater freezes in these cold areas, salt is expelled from the ice, increasing the salinity of the surrounding water.


Why does salt sprinkled on icy roads cause the ice to melt?

Salt lowers the freezing point of water, causing the ice to melt at a lower temperature than usual. When salt is applied to ice, it dissolves into the liquid water on the surface of the ice, creating a brine solution. This solution has a lower freezing point than water and helps to break down the ice, causing it to melt.


Does salt stop ice from melting?

Salt does not stop ice from melting; rather, it lowers the melting point of ice. When salt is added to ice, it disrupts the equilibrium between ice and water, causing the ice to melt at a lower temperature than 0°C. This can be useful for preventing ice from forming on surface areas, but it will ultimately lead to the ice melting more quickly.


How does salt efeat ice?

Salt lowers the freezing point of water, which means that when salt is added to ice, it causes the ice to melt faster. The process of the salt dissolving into the liquid water creates a brine solution with a lower freezing point than pure water, allowing the ice to melt at a lower temperature.

Related questions

Why do they put salt in the streets in the US?

Countries that have cold winters, that can result in snow and ice on their roads, will spread salt and grit to help avoid vehicle crashes.


Why is salt scattered on road that are covered with ice in cold hilly regions?

1. If it is not too cold, salt melts the ice. 2. If it is too cold, salt adds friction to the ice.


Will add salt to ice water help keep soda cold?

Yes, it will keep the soda cold because the salt help the ice not to melt. Don't believe me check it yourself. Get an ice cube put a little salt on it and it doest melt. Or get an ice cube put some salt on it and then get a string put on top and IT WILL STICK!!!!!!!


How does salt help to make ice cream?

salt makes the substance cold and for ice cream that is crucial


How can the salt melt the ice even when the salt is cold?

Salt lowers the freezing point of water by disrupting the formation of ice crystals. When salt is added to ice, it mixes with the thin layer of liquid water on the ice's surface, forming a saltwater solution. This solution has a lower freezing point than pure water, causing the ice to melt even though the salt itself is cold.


What happens when you mix ice and salt?

When salt is mixed with ice, it lowers the freezing point of water. This causes the ice to melt, absorbing heat from the surroundings. The resulting mixture is colder than the ice alone, making it useful for creating homemade ice cream or cooling beverages quickly.


What is the rule of salt in the ice cream cart?

Salt is used to keep the ice cream cold, and it is also what you use to make the ice cold enough in a machine, to make the cream form into a solid.


How you can keep coke cold with ice and salt?

Put salt and ice in a bucket and then set the coke in the bucket. You can also put ice in the coke


Why in cold countries people sprinkle salt on snow?

Salt lowers the melting/freezing temperature of water, thus causing ice and snow to melt. However in places where it is VERY COLD the salt cannot lower the melting/freezing temperature enough to cause it to melt, so sand is used instead as it improves traction, even with the ice and snow still there.


Why does it becomes bitterly cold when ice starts melting in the cold countries?

Just don't live in cold countries and it won't be a problem


Why does it become bitterly cold when ice starts melting in the cold countries?

Just don't live in cold countries and it won't be a problem


Does Cold water keep ice cold?

The water would have to be colder than the ice to keep it cold. That is not possible unless it is brine(salt water). Then ice at 32f could be cooled by brine at say 30f.