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Gases Index

The Properties of Gases Home Page
Collecting Gases
The Preparation of Gases in the Laboratory

The Chapters Index

 

Footnotes:

It is used as a bleaching agent.

It is one of the gases responsible for air pollution.

 

 

THE LANGUAGE OF CHEMISTRY

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The Properties of Gases

 

Sulphur dioxide gas

Physical Properties

Chemical Properties

Sulphur dioxide gas

Colour

Colourless

Odour

Pungent odour

Density compared to air (heavier or lighter)

Heavier than air

Solubility in water

Soluble. It reacts with water to form a strong acid.

Burning

Does not support combustion.

Moist pH paper

Acidic reaction

Red rose petals

Are bleached and lose their colour

Specific test

None

 

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