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- 1. Water Impurities โข The substances that pollute water are called 'Water Impurities'. Water is being polluted by throwing wastes into rivers, oil leakage by water transport etc.
- 2. Soluble Impurities Impurities that can be dissolved in water are called Soluble Impurities. Examples are-Salt, any other chemical.
- 3. Insoluble Impurities Impurities that cannot be dissolved in water are called Insoluble Impurities. โข Examples-Sand, Mud.
- 4. Removing Soluble Impurities from water Evaporation It is the process of turning Water into vapours. Distillation The process of purifying water by heating and cooling.
- 5. Removing insoluble impunitioc from water Sedimentation Decantation โ Filtration
- 6. Definitions of process of removing insolube impurities Sedimentation-The process of settling or being deposited as a sediment. Decantation-It is the process for the separation of mixtures, by removing a layer of liquid, generally one from which a precipitate has settled. Filtration-The process of removing something unwanted from a liquid by using a filter.
- 7. Purifying drinking water TED RADIO HOUR 15AM โค After removing soluble and insoluble impurities, drinking water is purified by two process i.e. 'Boiling' and 'Chlorination'.