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प्रश्न
How Fog is formed?
उत्तर
When water vapours change into tiny droplets of water near the ground, fog is formed.
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संबंधित प्रश्न
Explain how groundwater is recharged.
Fill in the blanks with the appropriate answers:
The water bearing layer of the earth is ________.
What are the three states of water?
Name :
Two substances which add taste to water.
Define:
Sedimentation
What is potable water? List four characteristics of potable water.
Tick (√) the correct alternative from the choice given for the following statement:
Chlorination of water is done
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)
______ water is free from suspended impurities.
Write down the sources of water.
