Sulphur dioxide (SO₂)

Sulphur dioxide emission is the main cause of acid rains. It is an intermediate product in the production of sulphuric acid.

Clothing (Western Europe, 13th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Naphtalene (C₁₀H₈)

The simplest polycyclic aromatic hydrocarbon.

Beryllium dichloride (BeCl₂)

Used in the production of beryllium and as a catalyst.

Isoprene (2-methyl-1,3-butadiene) (C₅H₈)

Synthetic rubber is produced by the polymerisation of isoprene.

Nitrogen monoxide (Nitric oxide) (NO)

A colourless, heavier-than-air gas, an intermediate in the production of nitric acid.

Methanol (methyl alcohol) (CH₃OH)

The simplest saturated alcohol. A highly toxic compound, easily confusable with ethanol.

Methane (CH₄)

The first member in the homologous series of alkanes.

Hydrogen-fluoride (HF)

One of the hydrogen halides, a highly aggressive substance - it even attacks glass.

Iodine (I₂)

A solid, grey substance which sublimates when heated. Its solution in alcohol is called tincture of iodine, it is a disinfectant.

Chlorine (Cl₂)

A yellow-green toxic gas with a strong odour, one of the halogens.

Clothing (Western Europe, 17th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Trimethylamine N(CH₃)₃

A tertiary amine with a characteristic unpleasant odour, occurring in spoiled food.

Clothing (Western Europe, 16th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

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