Tryptophan

One of the 20 amino acids that make up proteins. It contains an aromatic ring as part of...

Chloromethane (methyl-chloride) (CH₃Cl)

Chloromethane can be prepared by heating a mixture of methane and chlorine.

Methyl formate (C₂H₄O₂)

The ester of formic acid and methanol, an aroma compound found in certain fruits.

Ethyl acetate (C₄H₈O₂)

One of the most important esters, produced by the reaction of ethanol and acetic acid.

Silver iodide (AgI)

A light yellow compound formed in the reaction of silver nitrate and potassium iodide.

Pyridine (C₅H₅N)

A basic heterocyclic organic compound; a colourless, pungent toxic liquid.

Silver bromide (AgBr)

A white, crystalline compound which breaks down when exposed to light.

Hydrogen peroxide (H₂O₂)

The compound of hydrogen and oxygen. Colourless, odourless liquid; heavier than water.

Log house

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

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