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