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प्रश्न
What are the three methods of removing germs from natural water? Explain.
उत्तर
Three methods to remove germs :
1. By boiling: Boiling kills germs present in water.
2. Adding potassium permanganate: By adding potassium permanganate in the well the germs can be killed.
3. Chlorination: After filtration water is passed through chlorination tank here chlorine kills the germs.
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संबंधित प्रश्न
Answer the following questions in short:
In which form is water present in the atmosphere?
List three major impurities present in river water.
How mist is formed?
Name :
Two diseases which spread through impure water.
Define:
Sedimentation
Fill in the blank.
Sand and dust are suspended _______ in water
Fill in the blank.
Water covers nearly ________ of the surface of the earth
Tick (√) the correct alternative from the choice given for the following statement:
The purest form of natural water is
Write a note about the following.
The water cycle
What are reservoirs?
