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प्रश्न
Answer in brief:
What is the purpose of adding bleaching powder to water supplied to the town?
उत्तर
Adding bleaching powder to water kills germs and harmful bacteria and viruses present in water.
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संबंधित प्रश्न
Fill in the blanks with the appropriate answers:
Three forms of water are ________, ________ and ________.
Name :
Two household methods to get safe drinking water.
Answer in brief:
What is mineral water?
Give reasons
Ice floats on water
Why do aquatic animals die in boiled water?
Complete the statement by filling in the blanks with the correct words.
________ is the purest form of water. It may dissolve gases like ________forming weak acids.
(sea water/ lake water/rain water ; chlorine/ammonia/carbon dioxide)
Write a note about the following.
The water cycle
Draw a labelled diagram showing the water cycle.
Why is underground water free from suspended Impurities?
Seas and oceans are full of water on earth. However, a very small percentage of water present on earth is available for us. This percentage is roughly
