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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 …

  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 …

  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 …

  4. Sodium | Facts, Uses, & Properties | Britannica

    6 days ago · The most important and familiar sodium compound is sodium chloride, or common salt, NaCl. Most other sodium compounds are prepared either directly or indirectly from …

  5. Chlorine - Production, Uses, Safety | Britannica

    Oct 16, 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 …

  6. Why Does Salt Melt Ice? | Britannica

    In water, salt is a solute, and it will break into its elements. So, if you’re using table salt, also known as sodium chloride (NaCl), to melt ice, the salt will dissolve into separate sodium ions …

  7. Potassium chloride | Definition, Formula, Uses, Flame Color,

    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 …

  8. Composition, Properties, Distribution, & Facts - Britannica

    Some of the distinctive qualities of seawater are attributable to its salt content. The viscosity (i.e., internal resistance to flow) of seawater, for example, is higher than that of fresh water because …

  9. Saltpetre | Definition, Uses, & Facts | Britannica

    Nov 13, 2025 · A nuclear explosive is one in which a sustained nuclear reaction can be made to take place with almost instant rapidity, releasing large amounts of energy. Experimentation …

  10. Salt | Definition & Properties | Britannica

    Nov 11, 2025 · Salt, in chemistry, substance produced by the reaction of an acid with a base. A salt consists of the positive ion (cation) of a base and the negative ion (anion) of an acid.