GCSE Chemistry Required Practical: Purifying Water
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Key Stage 4
Meaning
Analysis and purification of water from different sources.
Method
A sample of rain water, sea water and bottled 'spring' water should be supplied.
Testing the pH
- Using a clean pipettes to add 2ml of a water sample to a test tube and label it.
- Add 2 drops of pH Indicator to the test tube and record the colour and pH.
- Repeat steps 1 and 2 for each water sample.