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Hi! The methods used to purify water are given below;

1. Filtration: filters chlorine, phenol and other organic thinners.

2. Distillation: to separate impurities after boiling.

3. Coagulation and flocculation: addition of chemicals in order to remove particles.

4. Sedimentation: heavy particles are selected in this technique in raw water.

5. Reverse osmosis: separate impurities and particles.

6. UV sterlisation: ultraviolet radiation is used to purify water.

7. Ozonation: oxidise all organic materials, bacteria and viruses.

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