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Polymers Many organic solids are polymers. The molecules they are composed of consist of many thousands of atoms. Chemists can synthesise polymer molecules by taking small molecules and linking...

Explosives are generally categorised as those that: Deflagrate: a technical term describing subsonic combustion that usually spreads through thermal conductivity (hot burning material heats the...

Fuel Fuel systems will be present in many modes of transport, presenting the hazards that are generally associated with fuel. Some modes of transport also carry large volumes of fuel as...

Fire control room officers should automatically inform environmental agencies when notified of incidents involving: All hazardous materials, including gases, where a water spray or fog is used...

The first step in obtaining information on the nature of the hazardous materials involved in the incident is their correct identification. Identifying chemical substances can be difficult, not...

Chemical Abstracts Service (CAS) registry numbers are unique numerical identifiers for chemical elements, compounds, polymers, biological sequences, mixtures and alloys. They are commonly referred to...

The European Commission number, or EC number, also known as EC-No and EC#, is the code assigned to chemical substances that are commercially available within the European Union. The EC number is...