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प्रश्न
Cleaning of water is a process of removing ______.
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उत्तर
Cleaning of water is a process of removing pollutants.
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संबंधित प्रश्न
Name the four main sources of water.
Give the molecular formula of water ?
Give reason of Carbonated drinks are bottled under high pressure.
What is the effect of impurities present in the water on the melting point and boiling point of water?
Explain why:
Rain water does not leave behind concentric rings when boiled.
Why is it said that water is life?
Household detergents contain mainly ______ and pollute water bodies.
Name a deliquescent substance’.
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
State any two sources of water pollution.
Select the correct word from the words in option to complete the sentence:
Dissolved air in water contains a ____ percentage of oxygen than ordinary air.
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______
_____ is a type of rainwater harvesting.
Water levels in rivers increase greatly during ______.
Water changes to ice at ______.
Fill in the blanks in the following statements using words given in the box.
| air, handpumps, cholera, water, large, ground |
A very ______ number of our people defecate in the open. It may cause ______ pollution and soil pollution. Both the surface water and ______ water get polluted. ______ water is the source for wells, tubewells and ______. Thus it becomes the most common route for ______ borne diseases like ______, dysentery, etc.
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 ______.
