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Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes and fittings.
Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated salt solution - NaCl. In the case of a water softener, the cation exchange resin is exchanging sodium (the Na + ion of NaCl) for hardness minerals such as calcium and magnesium .
Sugarelly, Spanish water, or liquorice water, is a traditional British soft drink made with liquorice that was popular in Scotland in the early to mid-20th century. [ 1 ] [ 2 ] [ 3 ] It could not usually be bought as such, but instead was prepared by leaving several strands of liquorice to diffuse in water for a period of time before drinking.
Moreover, because the acidic or basic drain cleaners themselves are washed down the drain, this contributes to pollution in the water supply. Drain cleaners usually contain a strong base such as sodium hydroxide that decomposes hair and converts fats into water-soluble products. The reaction is exothermic, releasing heat to soften the fats.
In water systems subject to heating hardness salts can be deposited as the decomposition of bicarbonate ions creates carbonate ions that precipitate out of solution. Water with high concentrations of hardness salts can be treated with soda ash (sodium carbonate) which precipitates out the excess salts, through the common-ion effect , producing ...
Made of liquorice, sugar, coconut, aniseed jelly, fruit flavourings, and gelatine, they were first produced in Sheffield, England, by Geo. Bassett & Co Ltd. Allsorts are produced by many companies around the world, but are most popular in Europe, especially Britain and the Netherlands, where they are called Engelse drop, meaning English liquorice.
Lime softening (also known as lime buttering, lime-soda treatment, or Clark's process) [1] is a type of water treatment used for water softening, which uses the addition of limewater (calcium hydroxide) to remove hardness (deposits of calcium and magnesium salts) by precipitation.
Molecules with high kinetic energy dislodge dirt faster than the slow moving molecules of a cold solution. Concentration of the cleaning agent. A concentrated cleaning solution will clean a dirty surface much better than a dilute one due to the increased surface binding capacity. Contact time of the cleaning solution. The longer the detergent ...
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