A circular, domed, portable tent covered by felt, typically used by nomadic peoples.
A tertiary amine with a characteristic unpleasant odour, occurring in spoiled food.
The simplest conjugated diene.
As a milestone in the history of aviation, Oszkár Asboth´s first helicopter made its first flight in 1928.
A colourless, slightly viscous, hygroscopic liquid used in the production of formic acid, hydrogen cyanide and other organic compounds.
The open-chain version of ribose, which occurs naturally in nucleic acids, coenzymes, nucleotides and nucleosides.
The first member in the homologous series of alkanes.
The Avars established a stable empire in the Carpathian Basin between the 6th-8th centuries.
A yellow-green toxic gas with a strong odour, one of the halogens.
Sulphur dioxide emission is the main cause of acid rains. It is an intermediate product in the production of sulphuric acid.
The molecule has two enantiomers: stereoisomers that are mirror images of each other and are not superimposable.
The simplest primary amine.
A solid, grey substance which sublimates when heated. Its solution in alcohol is called tincture of iodine, it is a disinfectant.
One of the hydrogen halides, a highly aggressive substance - it even attacks glass.
A white, odourless crystalline compound.
The animation helps to develop space perception and navigation in space using space coordinates.
One of the products of the oxidation of ethanol.
One of the oxides of sulphur, forms sulphuric acid with water.
One of the isomers of pentene.
An organic compound in the urine of mammals, used in the production of fertilisers as a source of nitrogen.