NEETChemistryEnvironmental Chemistry
What is the maximum recommended concentration of fluoride ions in drinking water to avoid harmful effects on bones and teeth?
Options
- A2 ppm
- B5 ppm
- C1 ppm
- D10 ppm
Correct answer
A. 2 ppm
Step-by-step solution
A concentration of fluoride ions in drinking water exceeding 2 ppm can lead to harmful effects on bones and teeth.