Explain the traditional ways of purifying water to make it fit for drinking.

• By filtering:  This is a physical method of removing impurities. A popular household water filter is a candle-type water filter.
• By boiling:  When water is heated, it boils at a temperature of 100°C. At this high temperature, all the harmful microorganisms (or germs) present in water are killed and it becomes absolutely safe for drinking.
• Chlorination: It is a commonly used chemical method for purifying water. It is done by adding chlorine tablets or bleaching powder to the water. Chlorine kills all the harmful microorganism (or germs) present in water and makes it absolutely safe for drinking. 

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Updated on: 10-Oct-2022

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