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प्रश्न
Answer the following questions in short:
Why is rainwater considered the purest form of natural water?
उत्तर
Rainwater is the purest form of water as it is distilled water i.e. water from the surface of the earth has evaporated and then vapours condense in the atmosphere.
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संबंधित प्रश्न
Answer the following questions in short:
Why is spring water pure enough for drinking but unsuitable for laboratory use?
Name :
Two chemicals used to destroy germs present in water.
Name :
A chemical used for loading.
Name :
Two substances which add taste to water.
Define:
Aeration
Fill in the blank.
Water is a ______ solvent
Fill in the blanks.
The elements present in the molecules of water are ______ and _____.
Tick (√) the correct alternative from the choice given for the following statement:
The purest form of natural water is
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 down the sources of water.
