Chemistry GCSE
Harmful chemicals
What Harmful chemicals means in Chemistry GCSE, as defined for AQA.
Definition of Harmful chemicals
Check what you remember
Read the wording for your board, then hide it and explain Harmful chemicals in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Toxic dissolved substances including heavy metal ions, acids, alkalis or toxic compounds that must be removed or reduced to safe levels.
Topics that use Harmful chemicals
- Waste water treatment (AQA GCSE)
Related terms
- Anaerobic digestion
- Chemical treatment of pollutants
- Ground water
- Harmful microbes
- Organic matter
- Potable water
- Sedimentation
- Separation techniques
Using Harmful chemicals in the exam
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