Uses, Management and Handling of Apparatus and Chemical Substances (4)

Examples of substances that release toxic vapour, cause combustion or produce pungent smell (1)

Concentrated sulphuric acid

Examples of substances that release toxic vapour, cause combustion or produce pungent smell (2)

Chlorine gas

Examples of substances that release toxic vapour, cause combustion or produce pungent smell (3)

Ammonia gas

Examples of substances that release toxic vapour, cause combustion or produce pungent smell (4)

Alcohol

Examples of substances that release toxic vapour, cause combustion or produce pungent smell (5)

Benzene

The effects of disposal of chemicals without following the correct disposal procedures (1)

Causes environmental pollution

The effects of disposal of chemicals without following the correct disposal procedures (2)

Destroys the habitats of flora and fauna

The effects of disposal of chemicals without following the correct disposal procedures (3)

Endangers human health

Methods of storage of chemicals- reactive substances

Reactive metals such as lithium, sodium and potassium are stored in paraffin oil to prevent reaction with the moisture in the air

Methods of storage of chemicals- hydrocarbons and organic solvents

Volatile and inflammable liquids like hydrocarbons and organic solvents should be stored in shady areas far from sunlight and heat source