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  1. Salt - Manufacture, Production, Uses | Britannica

    Nov 14, 2025 · Commercial salt is manufactured from rock salt, as well as from seawater and other natural and artificial brines. Most of the artificial brines are obtained by pumping water into …

  2. Salt | Chemistry, History, Occurrence, Manufacture, Uses, & Facts ...

    Nov 14, 2025 · Rock salt may be obtained from domes by the usual mining methods or by drilling wells into the salt strata and pumping water down to dissolve the salt; the brine is then returned to the …

  3. Salt - Occurrence, Chemistry, Uses | Britannica

    Oct 2, 2025 · Rock salt may be obtained from domes by the usual mining methods or by drilling wells into the salt strata and pumping water down to dissolve the salt; the brine is then returned to the …

  4. Salt | Definition & Properties | Britannica

    Dec 20, 2025 · A salt consists of the positive ion (cation) of a base and the negative ion (anion) of an acid. The reaction between an acid and a base is called a neutralization reaction.

  5. Halite | Salt, Rock Salt, Evaporite | Britannica

    Dec 24, 2025 · The ancient trade between the Aegean and the Black Sea coast of southern Russia was largely dependent on the salt pans (ponds for evaporating seawater to obtain salt) at the mouth of …

  6. Why Is the Ocean Salty? | Britannica

    Eventually, though, most rainwater finds its way to the ocean. Once it gets there, some of the dissolved minerals—such as calcium—are removed from the water by biological processes, but salt tends to …

  7. Chlorine - Production, Uses, Safety | Britannica

    Dec 10, 2025 · By electrolysis of a concentrated solution of sodium chloride in water. Hydrogen is generated at the cathode and chlorine at the anode. At the same time, sodium hydroxide is produced …

  8. salt - Students | Britannica Kids | Homework Help

    Commercial salt is manufactured from rock salt and from seawater and brines. For some purposes rock salt may be used in its solid, raw form, but all other salt undergoes some purification process.

  9. Salt water taffy | Seaside Treat, Chewy Texture, Sweet Flavor - Britannica

    The recipe for salt water taffy does not actually include salt water from the ocean, though it does usually call for salt and water, as well as sugar, corn syrup, butter, cornstarch, flavoring, and coloring.

  10. Potassium chloride | Definition, Formula, Uses, Flame Color, & Facts ...

    Dec 18, 2025 · For people with high blood pressure, potassium chloride can be used as a salt substitute in food. Potassium chloride is added to sodium chloride in table salt instead of using pure potassium …