हिंदी

Complete the following chart by writing appropriate words in the boxes marked (a) to (e). - Science

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प्रश्न

Complete the following chart by writing appropriate words in the boxes marked (a) to (e).

सारिणी
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उत्तर

  1. Solid
  2. Gaseous
  3. Well
  4. Lake
  5. Ice
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अध्याय 16: Water : A Precious Resource - LONG ANSWER QUESTIONS [पृष्ठ ८८]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 16 Water : A Precious Resource
LONG ANSWER QUESTIONS | Q 23. | पृष्ठ ८८

संबंधित प्रश्न

Name the four main sources of water.


Give reason of Carbonated drinks are bottled under high pressure.


The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.


Give one word for the following statement:

A mixture of common salt and ice .


What causes the violence associated with torrential rain?


Explain why:

Fused CaCl2 or conc. H2SO4 is used in a desiccator.


What will happen if the total supply of potable water is finished?


Select the correct answer of the following statement:

A solution which can pass through a filter paper but not through a semipermeable membrane.


Define ‘eutrophication’.


State the importance of water for all general uses.


What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?


Which are the three states of water?


If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?


Water levels in rivers increase greatly during ______.


Match the following

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

Mountains helps to regulate the temperature of our earth.


On which of the following day is World Water Day observed?


Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.


A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.


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 ______.


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