While litmus paper may be used to determine whether an aqueous solution is an acid or a base, it not good for estimating the pH value of the liquid
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Chemicals
Potassium Hydroxide
Potassium hydroxide, also known as _lye_ is an inorganic compound with the chemical formula KOH. Also commonly referred to as caustic potash, it is a potent base that is marketed in several forms including pellets, flakes, and powders. It is used in various chemical, industrial and manufacturing applications.
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Chemicals
Sodium Benzoate
Sodium benzoate is a substance which has the chemical formula C₆H₅COONa. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.
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Chemicals
Methylene Blue
Methylene blue, also known as methylthioninium chloride, is a medication and dye. As a medication, it is mainly used to treat methemoglobinemia. Specifically, it is used to treat methemoglobin levels that are greater than 30% or in which there are symptoms despite oxygen therapy.Formula: C16H18ClN3SSKU: n/a -
Chemicals
Aluminum Hydroxide
Aluminum hydroxide, Al(OH)3, is found in nature as the mineral gibbsite (also known as hydrargillite) and its three much rarer polymorphs:bayerite,doyleite, and nordstrandite. Aluminium hydroxide is amphoteric, i.e., it has both basic and acidic properties. Closely related are aluminium oxide hydroxide, AlO(OH), and aluminium oxide or alumina (Al2O3), the latter of which is also amphoteric. These compounds together are the major components of the aluminium ore bauxite. Aluminium hydroxide also forms a gelatinous precipitate in water.
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Chemicals
Sodium Carbonate
It is also called soda ash or washing soda.The chemical structure of sodium carbonate is Na2CO3, and its molar mass is 106.0 g/mol. Sodium carbonate is an ionic compound- asodium salt of carbonic acid, and is composed of twosodium cations (Na+) and a carbonate anion (CO3-).
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