How airbags work

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

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Iodine (I₂)

A solid, grey substance which sublimates when heated. Its solution in alcohol is called...

Ozone (O₃)

An allotrope of oxygen, consisting of 3 oxygen atoms.

Carbon monoxide (CO) (beginner)

Colourless, odourless gas, highly toxic to humans and animals in high concentration.

Calcium carbonate (CaCO₃)

Limestone is a widely and diversely used material.

Phosphorus pentoxide (P₂O₅)

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

Water (H₂O)

Water is a very stable compound of hydrogen and oxygen, vital for all known forms of...

Sulphurous acid (H₂SO₃)

Colourless, moderate acid, only known in aqueous solution.

Hydrogen chloride (HCl)

A colourless gas with a pungent odour, its solution in water is called hydrochloric acid.

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