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Pollution of Air and Water
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21/05/2021 11:28 am
Topic starter
List some ways by which water can be made safe for drinking.
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21/05/2021 11:29 am
Water can be made safe for drinking :
- By filtering it, e.g., a candle type filter is used at home.
- By boiling the water to kill the germs. ,
- By adding chlorine tablets or bleaching powder.
- Ozone gas or iodine can be used.
- Ultraviolet rays are used in some water treatment systems.