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प्रश्न
Which of the following procedures will give you water free from all impurities?
पर्याय
Adding chlorine tablets
Distillation
Boiling
Filtration
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उत्तर
Boiling
Explanation:
When water is heated, it boils at a temperature of 100°C. At this high temperature, all the harmful microorganisms (or germs) present in water are killed and it becomes absolutely safe for drinking.
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संबंधित प्रश्न
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Find out the wrong statement and write it in its correct form.
Water that is suitable for drinking is called soft water.
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Why are open drains a concern?
The process of adding chlorine in adequate amounts to water is called ______.
______ from the air and sunlight destroy the germs present in water.
Temporary and permanent hardness can be removed by the method of boiling.
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| 2. | Henry Cavendish | b. | Cathode |
| 3. | Hydrogen | c. | 1 g/cm3 |
| 4. | Negative carbon electrode | d. | Hydrogen |
Name the chemical which converts chlorides and sulphates into insoluble carbonates.
