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Elements, Compounds and Mixtures

Hazard Symbols.

The following symbols are sometimes found on containers.
These symbols mean that the substance is dangerous.
The explanation for the symbol is given below.

Oxidising - The substance provides oxygen.
Other materials will burn more fiercely in its presence.

Highly Flammable - The substance will catch fire easily.

Toxic - The substance is poisonous and can kill.
Possible routes into the body are
breathing, swallowing and absorption through the skin.

Harmful - Similar to toxic but less dangerous.

Corrosive - The substance will attack and destroy living tissue,
including the skin and eyes.

Irritant - The substance is not corrosive
but may cause reddening, irritation or blistering of the skin.

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