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What should be the tolerable limit of fluoride ions in drinking water ? What happens if it is more than 10 ppm?
CBSE Class 11
CBSE Class 11 Chemistry
environmentchemistry
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cbse
prasanna
August 14, 2016, 5:59am
1
One ppm or 1 mg d${{m}^{-3}}$. Higher concentration is harmful to bones and teeth.