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प्रश्न
What possible impurities does rainwater contain?
उत्तर
The impurities present in rainwater are dust and dissolved gases like oxygen, nitrogen, and carbon dioxide and these gases are not poisonous, rainwater is safe for drinking.
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संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false:
The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F)
Mark ‘T’ if the statement is true and ‘F’ if it is false:
Water from rivers is the only source for irrigation in the fields. (T/F)
Fill in the blanks with the appropriate answers:
Three forms of water are ________, ________ and ________.
Answer in brief:
Why is river water unfit for drinking?
Define:
Aeration
Fill in the blank.
_________ is the purest form of natural water.
Fill in the blank.
Ice, water, and steam have different physical states but are chemically __________.
Tick (√) the correct alternative from the choice given for the following statement:
Common salt is obtained from sea water by
State whether the following statement is true or false. If false, write the correct statement.
Well water exists below the impervious rocky layers of earth.
The process of collecting and storing rain water is called _____.
