Question
During rainy season almost everyone in a specific locality suffers from stomach ailments. You have suggested them to use chlorine tablets to make water safer for drinking. Write the method and give two reasons for your suggestion. Also, write two precautionary measures while using these tablets.
Solution
| Method | Reasons | Precautions |
| One tablet of 4 mg is dissolved in 1 litre of water. | It kills coliform bacteria. | Keep in a dry place. |
| Shaken well, left for 10 minutes before consuming. | It is easy to use. | Should not be expired. |
| It is hassle-free. | If water dirtier use 2 tablets and wait for 20 minutes before using. |
