Fibroin

Fibroin is a fibrillar protein excreted by silkworms.

Ozone (O₃)

An allotrope of oxygen, consisting of 3 oxygen atoms.

Dimethyl ether (C₂H₆O)

A colourless gas with a typical odour, produced by dehydrating methanol.

Soldiers of the Hungarian War of Independence (1848–49)

The main participants in the battles of the Hungarian War of Independence were the Hungarian, the Imperial and the Russian soldiers.

Earth fortification, Hungary

A triangular earth fortification, used by the leader of one of the old Hungarian tribes at the time of the Hungarian conquest.

Pauline monastery

The Pauline monastery was built for Hungarian hermit monks in 1225.

Log house

Log houses were a typical type of dwellings in Hungary in the Árpád era.

Iodine crystal

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

Methane hydrate

A solid substance formed at low temperatures on the ocean floors of Earth by the high pressure.

Trichloromethane, chloroform (CHCl₃)

Also known as chloroform, used as a solvent in laboratories, earlier as an anaesthetic.

Dichloromethane (CH₂Cl₂)

It is produced by treating methane with chlorine gas and used as a solvent.

Building shapes (multi colour)

Build 3D shapes from unit cubes with the help of several views.

Grouping of solids 4

This animation demonstrates various groups of solids through examples.

Alpha-D-glucose (C₆H₁₂O₆)

Alpha-D-glucose is one of the stereoisomers of glucoses, specifically the D-glucoses.

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