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प्रश्न
Write a few slogans of your own on the topic “Save Water”
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उत्तर
- “To a thirsty man, a drop of water is worth more than a sack of gold”.
- “Water covers 2/3 of the surface of the earth. But only 0.002% is drinkable. Save water”
- “Save water to secure your future”
- “Don’t make nature cry, keep your water clean”
- “Store water for dry days”.
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संबंधित प्रश्न
What are the main causes of water pollution ? How can it be controlled ?
Explain rain water harvesting.
What causes the violence associated with torrential rain?
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Fill in the blank:
The type of water softened by addition of washing soda is ______.
Match the following
| 1. | Flood | Lake |
| 2. | Surface water | Evaporation |
| 3. | Sunlight | Water vapour |
| 4. | Cloud | Pole |
| 5. | Frozen water | Increased rainfall |
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?
Aquifer
In a filtration, plant water is filtered using layers of
