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Is rock salt the same as dry ice?

Updated: 8/10/2023
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12y ago

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Rock salt and calcium chloride are not the same thing. Rock salt's molecular formula is the same as table salt, NaCl, Sodium Chloride. It is called rock salt, because it is a mineral salt that forms naturally and is mined. The salt in the sea is dissolved NaCl, the water is then evaporated and sea salt is left behind. Calcium chloride is also a salt, but not one to eat. It has several common applications such as brine for refrigeration plants, ice and dust control on roads, and in concrete. It can be produced directly from limestone, but large amounts are also produced as a by-product of the Solvay process. Because of its hygroscopic nature, it must be kept in tightly-sealed containers.

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15y ago
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9y ago

No rock salt is not the same as epsom salt. Rock salt is usually for melting ice, the kind you would use on your driveway. Or it could be used for the process of making home-made ice cream (it varies on the process). But epsom salt is usually used to relax, people usually use it in baths, foot baths, etc. So that's the difference.

P.S Your the way you wrote your question was kinda weird. NO EFFENCE IN ANYWAY! HOPE I HELPED!

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Hmmm. OK... Rock salt (like sea salt) is Sodium Chloride - the material used for thawing ice and as table salt.. Epsom Salts (the name was commonly in plural form) is Magnesium Sulphate - so they are totally different compounds. It was once used as a laxative, and is still used in baths as you say but I don't believe the common claim. The relaxation comes from being partly submerged in fairly hot water.

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14y ago

Yes, cooking salt = table salt = rock salt = salt = halite = sodium chloride = NaCl

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9y ago

Ice melt and rock salt are both used to melt ice, but they are different things. The catalyst in ice melt is calcium chloride. Ice melt generates heat immediately when poured on ice.

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10y ago

Coarse salt, table salt, fine salt, rock salt - all are sodium chloride, NaCl.

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12y ago

The dry ice is the solid carbon-dioxide (CO2) , but the rock salt is potassium sulfate (K2SO4).

So both of them are different .

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11y ago

Rock salt is larger than finely ground table salt. They are both NaCl.

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Q: Is rock salt the same as dry ice?
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Related questions

Can you put dry ice in salt water?

Yes, you can put dry ice in salt water. It will bubble furiously and cool down the salt water.


What melts ice faster table salt rock salt or sea salt?

Rock salt, for sure!


Why do you use rock salt in ice-cream?

You don't use rock salt in ice cream, unless you want salty ice cream. You use rock salt (though table salt or sea salt would work just about as well) in the freezer to get it colder than you could with a mixture of ice and water.


Is ice cream rock salt safe to eat?

Rock salt is no different than regular salt.


Will dry ice melt on contact with salt?

No, dry ice will not melt on contact with salt. In the first place, dry ice does not melt. It does not have a liquid phase under normal atmospheric pressure. It transforms from solid to gas, which is called sublimation. Dry ice sublimes, rather than melts. Secondly, salt has no effect on the sublimation of dry ice. Salt has an effect on frozen water, but it does not have an effect on frozen carbon dioxide. Salt is soluble in water, it is not soluble in carbon dioxide.


Does table salt or rock salt freeze ice cream?

Table salt and rock salt are sodium chloride - NaCl.


What type of salt is preferred to melt ice?

Rock salt


Is salt the same as ice melt?

no, but ice melt is a salt


When making homemade ice cream can you substitute regular salt for rock salt?

No!! Sea Salt ice-cream would not be the same without the sea salt! Plus, table salt and rock salt etc. tastes much different to sea salt.... at least that's my opinion... Happy Ice-Cream making!!


What is Morton Ice Cream Salt?

I believe that Morton Ice Cream Salt is just standard rock salt, used in making homemade ice cream.


Is rock salt beneficial for blood pressure?

No. Rock salt is used to make ice cream and melt ice on roads. Regular salt is not good for blood pressure because it will raise it.


Which salts melt ice faster?

rock salt melts ice faster because every winter my mom puts rock salt on ice and it melts within 2 seconds so i think rock salt melts the fastest