Saved Bookmarks
| 1. |
What is the role of ultraviolet (UV) radiation in the water purification system? 1. It inactivates / kills the harmful microorganisms in water. 2. It removes all the undesirable odours from the water. 3. It quickens the sedimentation of solid particles and improves the clarity of water. Which of the statements given above is/are correct? (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 |
|
Answer» The correct option is: (A) Explanation: It inactivates/kills the harmful microorganisms in water. |
|