A white, odourless crystalline compound.
A colourless gas with a typical odour, produced by dehydrating methanol.
An exercise about compound ions.
The simplest polycyclic aromatic hydrocarbon.
One of the best known synthetic polymers.
An exercise about different types of bonds.
A tertiary amine with a characteristic unpleasant odour, occurring in spoiled food.
The simplest conjugated diene.
A solid substance formed at low temperatures on the ocean floors of Earth by the high...
Also known as chloroform, used as a solvent in laboratories, earlier as an anaesthetic.
Used in the production of beryllium and as a catalyst.
Lighthouses are used as an aid to navigation in coastal waters.
A heterocyclic organic compound.
A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.
Synthetic rubber is produced by the polymerisation of isoprene.
One of the most important historical buildings in Hungary, a parish church built in the...
An isomer of butane, a colourless, flammable gas.
Napoleon Bonaparte´s Grande Armée was considered invincible.
It is produced by treating methane with chlorine gas and used as a solvent.
The first paddle steamer in Hungary entered service in 1846.