AQA GCSE Chemistry · 8462
Specification 4.10.1.2 · Paper 2
Revise: Water Treatment and PotabilityIn the UK, rain supplies fresh water with relatively low levels of dissolved substances. It collects underground and in lakes and rivers.
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GCSE Chemistry · key term
Water with a low concentration of dissolved substances, such as rainwater collected in the ground, lakes and rivers.
Used by AQA
Specification 4.10.1.2 · Paper 2
Revise: Water Treatment and PotabilityIn the UK, rain supplies fresh water with relatively low levels of dissolved substances. It collects underground and in lakes and rivers.
When comparing sources, explain that fresh water generally needs filtration and sterilisation, whereas salty water also needs an energy-intensive desalination stage.
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