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sodium chloride
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Sodium Chloride
White, crystalline compound found widely in nature. The crystals are cubic in shape. It is a typical ionic solid with a high melting point (801°C/1,474°F); it is soluble in water, insoluble in organic solvents, and is a strong electrolyte when molten or in aqueous solution. Found in concentrated deposits as the mineral halite, it is widely used in the food industry as a flavouring and preservative, and in the chemical industry in the manufacture of sodium, chlorine, and sodium carbonate.
Chlorine and sodium hydroxide are produced by the electrolysis of brine, a solution of sodium chloride in water. Salt for use in the food industry includes added iodine to reduce the incidence of the iodine deficiency diseases such as goitre and cretinism.
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brine
centrifuge
chromatography
crystallization
desalination
distillation
evaporation
filtration
fractional distillation
fractionating column
hard water
insoluble
ion exchange
precipitate
purification
purity
scale (chemistry)
seawater
separating funnel
separation
sodium chloride
sodium hydroxide
solubility
sublimation
suspension (chemistry)
washing soda
water
zeolite
centrifuge
chromatography
crystallization
desalination
distillation
evaporation
filtration
fractional distillation
fractionating column
hard water
insoluble
ion exchange
precipitate
purification
purity
scale (chemistry)
seawater
separating funnel
separation
sodium chloride
sodium hydroxide
solubility
sublimation
suspension (chemistry)
washing soda
water
zeolite
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