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प्रश्न
Fill in the blank:
The type of water softened by addition of washing soda is ______.
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उत्तर
The type of water softened by addition of washing soda is both types.
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संबंधित प्रश्न
What is the major source of fresh water in the city/town/village where you live?
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Explain why:
Rain water does not leave behind concentric rings when boiled.
Explain why:
Table salts become sticky on exposure to humid air during the rainy season.
Condensation results in the formation of dew on grass.
Rivers from land, add minerals to seawater. Discuss how?
How is the life of organisms living in water affected when water gets polluted?
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
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | 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 |
From where do the following usually get water? In which form is water present in them?
Clouds
