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  • Salt - Manufacture, Production, Uses | Britannica
    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 underground salt beds
  • Salt | Chemistry, History, Occurrence, Manufacture, Uses, Facts . . .
    Salt, also called sodium chloride, mineral substance of great importance to human and animal health, as well as to industry The mineral form halite, or rock salt, is sometimes called common salt to distinguish it from a class of chemical compounds called salts
  • Salt - Occurrence, Chemistry, Uses | Britannica
    Salt - Occurrence, Chemistry, Uses: Though the material that gives seawater its salty flavour is composed of many substances, sodium chloride, or common salt, is by far the predominant compound
  • Salt | Definition Properties | Britannica
    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 The reaction between an acid and a base is called a neutralization reaction
  • Saltpetre | Definition, Uses, Facts | Britannica
    Saltpetre, any of three naturally occurring nitrates, distinguished as (1) ordinary saltpetre, or potassium nitrate, KNO3; (2) Chile saltpetre, cubic nitre, or sodium nitrate, NaNO3; and (3) lime saltpetre, wall saltpetre, or calcium nitrate, Ca(NO3)2 These three nitrates generally occur as
  • Sodium | Facts, Uses, Properties | Britannica
    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 sodium chloride, which occurs in seawater, in natural brines, and as rock salt
  • Magnesium sulfate | chemical compound | Britannica
    …are complex; epsom salt (magnesium sulfate) is commonly sensed as bitter, while table salt (sodium chloride) is typical of sodium salts, which usually yield the familiar saline taste Sweet and bitter tastes are elicited by many different classes of chemical compound
  • Why Does Salt Melt Ice? | Britannica - Encyclopedia Britannica
    More than 20 million tons of salt are used every year to melt snow and ice in cold northern regions But how does salt do it? First, it’s important to understand a bit about H 2 O in the winter Thirty-two degrees Fahrenheit (0 degrees Celsius) is its freezing point—that is, when water reaches 32 °F, it turns into ice At this temperature
  • Potassium chloride | Definition, Formula, Uses, Flame Color, Facts . . .
    Potassium chloride can be extracted from sylvinite, a mineral mixture of sodium chloride (halite) and potassium chloride (sylvite), mined for potash, a mixture of potassium chloride and other potassium compounds
  • Salt March (1930) | Definition, Causes, Location, Significance . . .
    The Salt March was a major nonviolent protest action in India led by Mahatma Gandhi in March–April 1930 The march, which gained him widespread support among his fellow Indians, was the first act of a larger campaign of civil disobedience that Gandhi waged against British rule in India





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