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.

Question

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. (A) Both I and II (B) Both II and III (C) I, II and III (D) Only I

Tardigrade Admin · Accepted Answer

Correct answer is (c) I, II and III

Q. 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.

Both I and II

Both II and III

I, II and III

Only I

Correct answer is (c) I, II and III

Q. 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.