Question 29
Explain the traditional way of purifying water to make it fit for drinking.
Question 29
Explain the traditional way of purifying water to make it fit for drinking.
The various traditional ways of purifying water to make it fit for drinking are as follows:
(i) By filtering. This is a physical method of removing impurities. A popular household water filter is a candle type water filter.
(ii) 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. Many household use boilling as a method for obtaining safe drinking water.
(iii) Chlorination. It is commonly used chemical method for purfying water. It is done by adding chlorine tablets or bleaching poweder to the water. Chlorine kills all the harmful microorganism (or germs)present in water and makes it absolutely safe for drinking.
The various traditional ways of purifying water to make it fit for drinking are as follows:
(i) By filtering. This is a physical method of removing impurities. A popular household water filter is a candle type water filter.
(ii) 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. Many household use boilling as a method for obtaining safe drinking water.
(iii) Chlorination. It is commonly used chemical method for purfying water. It is done by adding chlorine tablets or bleaching poweder to the water. Chlorine kills all the harmful microorganism (or germs)present in water and makes it absolutely safe for drinking.
