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प्रश्न
Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is ______.
पर्याय
make the expelled water go and seep near the bore well
use it for watering plants
to drink the expelled water after boiling and cooling
to use for cooking as the water is full of many nutrients
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उत्तर
Using R.O. (Reverse Osmosis) plant at home eliminates a lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is use it for watering plants.
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संबंधित प्रश्न
Give the percentage of water in the following:
Rice and wheat grains
Give the percentage of water in the following:
Eggs
Give the importance of water in life processes
Complete the statement by filling in the blanks with the correct words.
Water is added to the atmosphere by _____________and _____________.
(burning of fossil fuels/condensation of vapour/ respiration by living organisms/photosynthesis)
Explain how water plays an important role in Agriculture.
Complete the statement by filling in the blank with the correct words.
Water fit for human consumption and drinking purposes is called ____________.
State whether the following statement is true or false. If false, write the correct statement.
Respiration uses up water from the atmosphere.
Match the statements in List I, 1-10 with their correct answer in List II, A to J.
| List I | List II |
| 1. Sodium carbonate and water | A: Seawater |
| 2. Chemical used in sedimentation during purification of water | B: The preferred place for an organism |
| 3. vapourisation | C: Liquid state |
| 4. Kerosene and water | D: Aqueous solution |
| 5. A solution which can dissolve more of solute at a given temperature | E: Dissolved gases and minerals |
| 6. Water as a habitat for marine life | F: Unsaturated solution |
| 7. A water-borne disease | G: Immiscible mixture |
| 8. Existence of water between 0°C and 100°C | H: Liquid to a gaseous state |
| 9. Taste in water is due to | I: Dysentery |
| 10. The most impure form of water | J: Alum |
Analogy
Ground water : ______ :: Surface-water : lakes
The quantity of water required to produce one page of your book is ______.
