The conversion of hydroxyapatite occurs due to the presence of $F^{-}$ ions in water. The correct formula of hydroxyapatite is:
- A$[3 Ca_{3}(PO_{4})_{2} \cdot Ca(OH)_{2}]$
- B$[3 Ca(OH)_{2} \cdot CaF_{2}]$
- C$[Ca_{3}(PO_{4})_{2} \cdot CaF_{2}]$
- D$[3 Ca_{3}(PO_{4})_{2} \cdot CaF_{2}]$
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View SolutionMatch the activities given in List-$I$ with the pollution produced in List-$II$.
List-$I$ List-$II$ $(A)$ Burning sulfur-containing waste releases gases into the atmosphere. $(1)$ Water pollution $(B)$ Use of carbonates as pesticides $(2)$ Photochemical smog,damage to plant life,corrosion of buildings,respiratory problems,water pollution. $(C)$ Using synthetic detergents for washing clothes $(3)$ Damage to the ozone layer $(D)$ Releasing smoke from vehicles and factories into the atmosphere. $(4)$ Neurological disorders in humans. $(E)$ Using chlorofluorocarbon compounds to clean computer parts. $(5)$ Classical smog,acid rain,water pollution,respiratory problems,damage to buildings,metal corrosion.
| List-$I$ | List-$II$ |
| $(A)$ Burning sulfur-containing waste releases gases into the atmosphere. | $(1)$ Water pollution |
| $(B)$ Use of carbonates as pesticides | $(2)$ Photochemical smog,damage to plant life,corrosion of buildings,respiratory problems,water pollution. |
| $(C)$ Using synthetic detergents for washing clothes | $(3)$ Damage to the ozone layer |
| $(D)$ Releasing smoke from vehicles and factories into the atmosphere. | $(4)$ Neurological disorders in humans. |
| $(E)$ Using chlorofluorocarbon compounds to clean computer parts. | $(5)$ Classical smog,acid rain,water pollution,respiratory problems,damage to buildings,metal corrosion. |
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