Home
Class 11
CHEMISTRY
F^(-) ions make enamel on teeth harder b...

`F^(-)` ions make enamel on teeth harder by converting hydroxy apatite into

A

`Ca_(3)(PO_(4))_(2)`

B

`Ca_(3)(PO_(4))_(2) CaFCl`

C

`3Ca_(3)(PO_(4))_(2) CaF_(2)`

D

`Ca_(3) (PO_(4))_(2) CaO F_(2)`

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    NARAYNA|Exercise LEVEL-II (H.W)|23 Videos

  • ENVIRONMENTAL CHEMISTRY

    NARAYNA|Exercise EXAMPLES|11 Videos

  • ENVIRONMENTAL CHEMISTRY

    NARAYNA|Exercise LEVEL-IV|27 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NARAYNA|Exercise EXERCISE - 4|17 Videos

  • F-BLOCK ELEMENTS

    NARAYNA|Exercise LEVEL-II (C.W)|1 Videos

Similar Questions

Explore conceptually related problems

Assertion: The deficiency of fluoride in drinking water cause disease such as tooth decay etc. Reason: The F^(-) ions make the enamel on teeth much harder by converting hydroxyapatite, the enamal on the surface of the teeth, into much harder fluorapatite.

Deficiency of (F^(-)) in drinking water causes tooth decay. Its International Standard limit makes the enamal on tooth much harder by comverting hydroxyapatite into much harder

White enamel of our teeth is

Enamel of teeth is secreted by :-

Enamel of teeth is secreted by-

The recommended concentration of fluoride ion in drinking water is up to 1 ppm as fluoride ion is required to make teen enamel harder by converting [3Ca_(3) (PO_(4))_(2). Ca(OH)_(2)] to :

The recommended concentration of fluoride ion in drinking water is up to 1 ppm as fluoride ion is required to make teeth enamel harder by converting [3Ca_(3)(PO_(4))_(2).Ca(OH)_(2)]

Statement-1: Zinc ions are not precipitated by ammonia solution as zinc hydroxide, in the presence of ammonium chloride. Statement-2: Presence of ammonium chloride lowers the hydroxy-ion concentration to such a value that the solubility product of Zn(OH)_(2) is not attained.