Sulphur dioxide (SO₂)

Sulphur dioxide (SO₂)

Sulphur dioxide emission is the main cause of acid rains. It is an intermediate product in the production of sulphuric acid.

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Susiję elementai

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Susiję elementai

Air pollution

This animation demonstrates the main sources of air pollution: agriculture, industry and urban settlements.

Carbon monoxide (CO) (beginner)

Colourless, odourless gas, highly toxic to humans and animals in high concentration.

Copper sulphate (CuSO₄)

A compound of sulphur often used as a pesticide.

Hydrogen sulphide (H₂S)

A colourless, toxic gas with the characteristic odour of rotten eggs. It occurs in certain mineral waters and spring waters.

Nitrogen monoxide (Nitric oxide) (NO)

A colourless, heavier-than-air gas, an intermediate in the production of nitric acid.

Ozone layer

The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for life on Earth.

Sulphate ion (SO₄²⁻)

A compound ion produced when sulphuric acid releases a proton.

Sulphur (S₈)

An odourless, yellow, solid substance, the 16th most common in the Earth´s crust. One of the best known sulphur compounds is pyrite, also known as ´fool´s...

Sulphur trioxide (SO₃)

One of the oxides of sulphur, forms sulphuric acid with water.

Sulphuric acid (H₂SO₄)

A colourless, viscous liquid, a highly corrosive, strong acid used in several industrial processes.

Sulphurous acid (H₂SO₃)

Colourless, moderate acid, only known in aqueous solution.

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