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प्रश्न
Answer in brief:
Why is river water unfit for drinking?
उत्तर
River water contains mineral salts, suspended impurities like clay, sand particles, organic matter and bacteria and is not fit for drinking.
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संबंधित प्रश्न
Answer the following questions in short:
Why is rainwater considered the purest form of natural water?
What are the three states of water?
How is a cloud formed?
What is potable water? List four characteristics of potable water.
Name the steps involved in the purification of drinking water supplied in cities and towns
Tick (√) the correct alternative from the choice given for the following statement:
Common salt is obtained from sea water by
State the sources of water :
on the earth’s surface
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.
Write down the sources of water.
What are reservoirs?
