हिंदी

From where do the following usually get water? In which form is water present in them? Aquifer

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प्रश्न

From where do the following usually get water? In which form is water present in them?

Aquifer

अति संक्षिप्त उत्तर
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उत्तर

Aquifer gets water from rain. Water in an aquifer is present in liquid form as underground water.

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अध्याय 16: Water : A Precious Resource - SHORT ANSWER QUESTIONS [पृष्ठ ८८]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 16 Water : A Precious Resource
SHORT ANSWER QUESTIONS | Q 22. (d) | पृष्ठ ८८

संबंधित प्रश्न

Freezing mixture contains  .............  and  .............


.................... is the purest form of natural water.


 Match the statements in column A with that in column B.

 Column A  Column B
 (a) deliquescent substance (1) sodium bicarbonate
 (b) hygroscopic substance (2) magnesium chloride
 (c) efflorestance substance (3) conc. sulphuric acid
 (d) substance causing temporary hardness (4) washing soda

Two gases found dissolved in natural water are


How are natural springs of water formed ?


Why is water considered a compound?


How do fishes and aquatic animals survive when the pond gets covered with thick ice?


How is aquatic life benefited by the fact that water has maximum density at 4oC?


What is the composition of water? In what volume its elements combine?


Why is it said that water is life?


Name one substance which is ‘deliquescent’.


Match the following

1. Flood Lake
2. Surface water Evaporation
3. Sunlight Water vapour
4. Cloud Pole
5. Frozen water Increased rainfall

Look at the map of Tamilnadu showing annual rainfall and answer the questions given below

  1. Identify the districts that get only low annual rainfall in Tamilnadu.
  2. Identify the districts that get a medium annual rainfall in Tamilnadu.
  3. State the districts that enjoy high annual rainfall in Tamilnadu.

______ plays a vital role in the evolution and survival of life.


Nitrogen is used for the treatment of drinking water.


In the coastal areas, wind current moves from the sea towards the land during the day; but during the night it moves from land to the sea. Discuss the reason.


From where do the following usually get water? In which form is water present in them?

Clouds


What is saltwater?


In which one of the following state's water is present on Earth?


Wells are fed by ______.


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