मराठी

What is the source of water in the following? Wells

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प्रश्न

What is the source of water in the following?

Wells

एक शब्द/वाक्यांश उत्तर
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उत्तर

Wells – Groundwater

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 16: Water : A Precious Resource - VERY SHORT ANSWER QUESTIONS [पृष्ठ ८६]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
पाठ 16 Water : A Precious Resource
VERY SHORT ANSWER QUESTIONS | Q 13. (a) | पृष्ठ ८६

संबंधित प्रश्‍न

Why do organisms need water?


Give balanced chemical equation for the reaction of water with Carbon dioxide.


What is metal activity series ?


Name the gas produced when a piece of calcium is added to water.


Give one word for the following statement:

A mixture of common salt and ice .


Two gases found dissolved in natural water are


What are its causes and how can water pollution be controlled ?


State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.


Water exists in all three states. Discuss.


Fill in the blank:

The sample of hard water which lathers with soap after boiling and filtration contains _____.


Give the influence of pressure.


Select the correct word from the words in option to complete the sentence:

If pressure on the surface of water increases its boiling point ____ and freezing point ____.


Match the terms in List I with the correct answers in List II.

List I List II
1. Solubility in a given solvent decreases with an increase in temperature. A: Na2SO4.10H2O
2. A white efflorescent crystal B: NaOH
3. A hygroscopic dehydrating agent C: Ca(HCO3)2
4. A deliquescent alkali D: conc. H2SO4
5. A substance present in temporary hard water E: CaSO4 

Match the following

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

State whether the following statement is True or False. If false, give the correct statement.

51% of the earth’s surface is covered with water


Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.


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


Fill in the blanks selecting words from the following list

snow, rain, clouds, vapour, evaporation, transpiration.

Water, as ______ goes into atmosphere by the processes of ______ and ______ and forms ______, which on condensation fall in the form of ______ and ______.


Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?


Construct a crossword puzzle of your own using the keywords.


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