1. Tardigrade
  2. Question
  3. Chemistry
  4. When fluoride ion concentration in water is more than 2 ppm then it causes I. tooth decay. II. brown mottling of teeth. III. harmful effect to bone. Choose the correct statement.

Q. When fluoride ion concentration in water is more than ppm then it causes
I. tooth decay.
II. brown mottling of teeth.
III. harmful effect to bone.
Choose the correct statement.

 209  215 Environmental Chemistry Report Error

Solution:

Correct answer is (c) I, II and III