Phosphoric acid (H₃PO₄)

It is also used as a food additive, limescale and rust remover.

Aniline (C₆H₅NH₂)

The simplest aromatic amine. Its scientific name is phenylamine.

Hydrogen bromide (HBr)

One of the hydrogen halides, it is used for the production of alkyl bromides.

Sulphur trioxide (SO₃)

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

Pentane (C₅H₁₂)

The fifth member in the alkane homologous series. A colourless, combustible liquid.

Chloromethane (methyl-chloride) (CH₃Cl)

Chloromethane can be prepared by heating a mixture of methane and chlorine.

Ozone (O₃)

An allotrope of oxygen, consisting of 3 oxygen atoms.

Butane (C₄H₁₀)

The fourth member in the homologous series of alkanes.

Hydrogen-iodide (HI)

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

Ethene (ethylene) (C₂H₄)

The first member in the homologous series of 1-alkenes.

Styrene (vinyl benzene) (C₈H₈)

A colourless liquid with an odour similar to benzene. The monomer of polystyrene.

Genome editing

Genome editing is a type of genetic engineering which results in changes in the genome of an organism. This animation presents one of the best-known genome...

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