Combined Science GCSE
Ozone
What Ozone means in Combined Science GCSE, as defined for AQA.
Definitions of Ozone
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Reference: AQA
A strong oxidising agent that destroys microorganisms and leaves no chemical residual, but must be generated on site and does not protect the water afterwards.
An alternative sterilising agent that kills microorganisms without adding a persistent chemical residual to the water.
Topics that use Ozone
- Potable water (AQA GCSE)
Related terms
Using Ozone in the exam
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