He presence of soluble fluoride ion upto 1 ppm concentratio…

Chemistry Chemistry In Every Day Life ( Not In Syllabus ) JEE Main 2020 - (Envirronmental Chemistry) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

He presence of soluble fluoride ion upto 1 ppm concentration in drinking water, is

safe for teeth

harmful to skin

harmful for teeth

harmful to bones

Text Solution

Verified by Experts

The correct answer is:

JEE Main 2020

Fluoride (F-) ion conc. upto 1 ppm makes the enamel of teeth much harder by converting.

Hydroxyapatite Fluorapatite (harder)

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