A circular, domed, portable tent covered by felt, typically used by nomadic peoples.
The first paddle steamer in Hungary entered service in 1846.
The construction of ´Libelle´ (Dragonfly) is one of the milestones of (Hungarian) aviation history.
Garbage trucks play an important role in the life of towns and cities.
Practicing the use of the spatial coordinate system with the help of a computer-designed kitchen model.
A compound ion produced when sulfuric acid releases a proton.
The presence of hydronium ions relative to hydroxide ions determines a solution´s pH.
A colorless, heavier-than-air gas. Its geometric isomer is cis-2-butene.
A compound ion, the main source of nitrogen for plants.
The second member in the homologous series of straight-chain alkanes.
Benzene is the simplest aromatic hydrocarbon.
An organic compound in the urine of mammals, used in the production of fertilizers as a source of nitrogen.
The simplest diol.
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.
A compound ion formed when a water molecule releases a proton.
Cellobiose is the basic structural unit of cellulose.
Colorless, toxic liquid with a sweet odor.
One of the raw materials of traditional photography.
A compound ion formed when a phosphoric acid molecule releases a proton.
A disaccharide formed by the joining of two alpha-D-glucose molecules.