Phosphorus occurs in nature in the form of stable phosphates. (Animal bones also contain calcuim phosphate (58%)).The important minerals are: (i)Phosphorite, Ca_3(PO_4)_2(ii)Chloraptite,Ca_3(PO_4)_2CaCl_2 (iii)Fluoraptite, Ca_3(PO_4)_2CaF_2 There are some depoists of nitrates and phosphates in earth's crust.Nitrates are more soluble in water Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily.Compounds of phosphorus and nitrogen are used as fertilizer. Amongs the following which is not member of apatite family ?

Phosphorus occurs in nature in the form of stable phosphates. (Animal

1.	Phosphorus occurs in nature in the form of stable phosphates. (Animal bones also contain calcuim phosphate (58%)).The important minerals are: (i)Phosphorite, Ca_3(PO_4)_2(ii)Chloraptite,Ca_3(PO_4)_2CaCl_2 (iii)Fluoraptite, Ca_3(PO_4)_2CaF_2 There are some depoists of nitrates and phosphates in earth's crust.Nitrates are more soluble in water Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily.Compounds of phosphorus and nitrogen are used as fertilizer. Amongs the following which is not member of apatite family ?
Answer» `Ca_9(PO_4)_6. CaCl_2` `Ca_9(PO_4)_6.CaF_2` `Ca_3(PO_4)_2.Ca(OH)_2` NONE of these Solution :NA