Advertisements
Advertisements
प्रश्न
Answer in brief:
How is water in the swimming pool kept free a germ?
उत्तर
Water in the swimming pool kept free from infections and germs by chlorination i.e. treating water with chlorine gas.
APPEARS IN
संबंधित प्रश्न
Fill in the blanks with the appropriate answers:
The process of water seepage into the ground is called ________.
Fill in the blank.
_________ is the purest form of natural water.
Tick (√) the correct alternative from the choice given for the following statement:
When the water vapour changes into tiny droplets of water near the ground, it is called
Tick (√) the correct alternative from the choice given for the following statement:
Common salt is obtained from sea water by
Explain the term water cycle. State the main points to show how water moves from the earth’s surface to the atmosphere and back to the earth’s surface as rain
Name the following
A solid, ‘natural form of water.
Write a note about the following.
The water cycle
Which of the following micro-organisms causes waterborne diseases?
The origin of river is ______.
Which of the following is a way to use water economically?
