Q. The presence of fluorides in drinking water helps in (Solved)
1. Purification of water
2. Preventing decaying of teeth
3. Deodourisation of water
4. Reduces fungi formation
5. Killing aerobic bacteria
- b. Preventing decaying of teeth
1. Purification of water
2. Preventing decaying of teeth
3. Deodourisation of water
4. Reduces fungi formation
5. Killing aerobic bacteria