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The simplest dicarboxylic acid.
A tertiary amine with a characteristic unpleasant odour, occurring in spoiled food.
The simplest peptide, formed from two glycine molecules by a peptide bond.
One of the best known synthetic polymers.
A basic heterocyclic organic compound; a colourless, pungent toxic liquid.
Sulphur dioxide emission is the main cause of acid rains. It is an intermediate product in the production of sulphuric acid.
The best known alcohol, important in the food industry.
As a milestone in the history of aviation, Oszkár Asboth´s first helicopter made its first flight in 1928.
Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.
Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.
One of the raw materials of traditional photography.
One of the isomers of pentenes.
Ammonia is a colourless gas with a characteristic pungent smell. Its solution in water is called ammonium hydroxide or household ammonia.
The best known of ethers.
The open-chain version of ribose, which occurs naturally in nucleic acids, coenzymes, nucleotides and nucleosides.
The simplest aldehyde.
An unsaturated monocarboxylic acid. The molecule contains double bond in cis orientation.
The second member in the homologous series of straight-chain alkanes.
One of the halogens, it may cause skin irritation.