A macro shot of an empty ampoule with pipette laying in front of it

What Happens When Hydrochloric Acid and Sodium Thiosulphate React?

When hydrochloric acid (HCl) and sodium thiosulphate (Na2S2O3) are combined, an interesting reaction takes place and the colourless solution turns opaque. But why does this happen, and how can we use this opacity to determine the rate of reaction? The Reactants The chemicals used in this experiment are both extremely important in their own areas. In case you missed our previous [...]

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5 Uses of Hydrochloric Acid

Hydrochloric acid (HCl) may be the simplest chlorine-based acid, but it is still strongly corrosive. Last week we looked at the history behind and properties of hydrochloric acid, so this week we thought we’d take a look into its 5 most popular uses. But limiting the uses of hydrochloric acid to 5 is not an easy task. Known as a [...]

People loading IBCs onto road tanker outside a factory

What is Hydrochloric Acid?

Hydrochloric acid (HCl) is a corrosive and strongly acidic solution that is made by dissolving gaseous hydrogen chloride in water. It is made industrially as well as in the body. Properties of HCl Hydrochloric acid is the simplest chlorine-based acid that contains water. In spite of its acidity, it is also the least hazardous strong acid to handle because of [...]

Nuclear plant

What Are the Uses of Potassium Iodide?

Potassium iodide (KI) is a white crystalline solid that is formed by reacting elemental iodine (I) with potassium hydroxide (KOH). It is a versatile compound that is used in a variety of industries as a supplement, an expectorant and even as a protection against radiological emergencies.   Medical Uses of Potassium Iodide Potassium iodide is well-suited to a range of medical [...]

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