How airbags work

A compound called sodium azide is responsible for the operation of airbags.

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Sulphur trioxide (SO₃)

One of the oxides of sulphur, forms sulphuric acid with water.

Silver nitrate (AgNO₃)

One of the raw materials of traditional photography.

Nitrogen (N₂) (basic)

A colourless, odourless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.

Hydrogen-iodide (HI)

A colourless, heavier-than-air gas with a pungent odour.

Phosphorus pentoxide (P₂O₅)

A compound formed as white smoke during the combustion of phosphorus.

Boron trifluoride (BF₃)

Colourless, heavier-than-air gas with a pungent odour. It forms white fumes in moist air.

The process of glass production

Glass items are an integral part of everyday life. But how are they made?

Ammonium ion (NH₄⁺)

A compound ion generated when a proton is added to an ammonia molecule.

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