Advertisements
Advertisements
प्रश्न
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 [3Ca3(PO4)2 . Ca(OH2)] to ______.
विकल्प
[CaF2]
[3(CaF2) . Ca(OH)2]
[3Ca3(PO4)2 . CaF2]
[3{Ca(OH)2} . CaF2]
MCQ
रिक्त स्थान भरें
Advertisements
उत्तर
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 [3Ca3(PO4)2 . Ca(OH2)] to [3Ca3(PO4)2 . CaF2].
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
