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प्रश्न
.................... is the purest form of natural water.
उत्तर
Rain water is the purest form of natural water.
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संबंधित प्रश्न
What are the main causes of water pollution ? How can it be controlled ?
Explain why:
Table salts become sticky on exposure to humid air during the rainy season.
What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?
Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Which of the following does not show water shortage?
Match Column I with Column II
| Column I | Column II | ||
| (a) | Groundwater | (i) | The solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).
Water in our tap comes from a
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 _______.
