Yurt

A circular, domed, portable tent covered by felt, typically used by nomadic peoples.

Lake steamer (1846)

The first paddle steamer in Hungary entered service in 1846.

Motorized airplane (János Adorján, 1910)

The construction of ´Libelle´ (Dragonfly) is one of the milestones of (Hungarian) aviation history.

Garbage trucks

Garbage trucks play an important role in the life of towns and cities.

Designing kitchen furniture - spatial coordinate system

Practicing the use of the spatial coordinate system with the help of a computer-designed kitchen model.

Sulfate ion (SO₄²⁻)

A compound ion produced when sulfuric acid releases a proton.

Hydronium ion (H₃O⁺)

The presence of hydronium ions relative to hydroxide ions determines a solution´s pH.

Trans-2-butene (C₄H₈)

A colorless, heavier-than-air gas. Its geometric isomer is cis-2-butene.

Nitrate ion (NO₃⁻)

A compound ion, the main source of nitrogen for plants.

Ethane (C₂H₆)

The second member in the homologous series of straight-chain alkanes.

Benzene (C₆H₆)

Benzene is the simplest aromatic hydrocarbon.

Carbamide (urea) (CO(NH₂)₂)

An organic compound in the urine of mammals, used in the production of fertilizers as a source of nitrogen.

Water (H₂O)

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.

Hydroxide ion (OH⁻)

A compound ion formed when a water molecule releases a proton.

Cellobiose (C₁₂H₂₂O₁₁)

Cellobiose is the basic structural unit of cellulose.

Silver nitrate (AgNO₃)

One of the raw materials of traditional photography.

Phosphate ion (PO₄³⁻)

A compound ion formed when a phosphoric acid molecule releases a proton.

Maltose (malt sugar) (C₁₂H₂₂O₁₁)

A disaccharide formed by the joining of two alpha-D-glucose molecules.

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