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प्रश्न
Answer the following question.
Suggest three ways to conserve water.
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उत्तर
Three ways to conserve water:
(a) Rain-water harvesting
(b) Reducing wastage of water
(c) Replenishing ground water by promoting afforestation
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संबंधित प्रश्न
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| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
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