हिंदी

“Every Drop Counts” is a slogan related to - Science

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प्रश्न

“Every Drop Counts” is a slogan related to

विकल्प

  • counting of drops of any liquid.

  • counting of water drops.

  • importance of water.

  • importance of counting.

MCQ

उत्तर

importance of water.

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अध्याय 16: Water : A Precious Resource - MULTIPLE CHOICE QUESTIONS [पृष्ठ ८५]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 16 Water : A Precious Resource
MULTIPLE CHOICE QUESTIONS | Q 8. | पृष्ठ ८५

संबंधित प्रश्न

Give the molecular formula of water ?


Use of excessive .................... by farmers causes water pollution.


Two gases found dissolved in natural water are


Give any three important uses of water.


A captain of ship will tell you that an iceberg is much bigger than it looks. Why is it so ?


Explain rain water harvesting.


State whether the given statement are true or false. If true, write the reason.
Water availability per person in India is declining.


Identify A, B, C and D; first one is done for you.


What is the importance of dissolved impurities in water?


Give the importance of dissolved minerals & salts.


Fill in the blank:

Unpolluted water has _____ amount of dissolved oxygen.


State the importance of water for all general uses.


Give a reason for the following:

Efflorescence is minimum during humid conditions.


Name or state the following:

A deliquescent salt of a trivalent metal.


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.

Rivers from land, add minerals to seawater. Discuss how?


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?

Animals


Wells are fed by


Construct a crossword puzzle of your own using the keywords.


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