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Calcium phosphate (V) occurs in nature g...

Calcium phosphate (V) occurs in nature gas

A

fluorite

B

apatite

C

rock phosphate

D

both (2) and (3)

Text Solution

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The correct Answer is:
4
Calcium hosphate occurs as apatite `Ca^(2+)(F^(-))_(2).3(Ca^(2+))_(3) (PO_(4)^(2-))_(2)` and rock phosphate `(Ca^(2+))_(3) (PO_(4)^(3-))_(2)` which is formed weathering of apatite.
Phosphorus compounds are also present in animal and vegetable tissues.
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R SHARMA-THE P BLOCK ELEMENTS-QUESTION BANK
  1. The correct structural formula of hypophosphorous acid is

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  2. Which of the following statement is //are correct regarding F^(-) and ...

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  3. Calcium phosphate (V) occurs in nature gas

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  4. The most stable oxidation states of nitrogen are

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  5. Nitrous oxide (N(2)O) is prepared by heating

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  6. Which of the following oxides of nitrogen is known as laughing gas?

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  7. All the oxides of nitrogen exhibits (between N and O)

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  8. Which of the following oxides of nitrogen is a linear and asymmertrica...

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  9. Which of the following oxides of very reactive?

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  10. Which of the following oxides of nitrogen is a mixed anhydride of two ...

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  11. Which of the following spices is angular?

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  12. Which of the following oxides of nitrogen is the anhydride of HNO(3)?

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  13. Which of the following is used as the abrasive//Polishing agent in flu...

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  14. In quantitative analysis which of the following groups of metal ions a...

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  15. Hydrogen sulphide truns an acidified K(2)Cr(2)O(7)

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  16. A pale blue gas having a characteristic sharp smell restores the colou...

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  17. The volume is O(2) obtianed by the decomposition of 4 litres of O(3) a...

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  18. The most abundant compounf of CI is

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  19. Which of the following has tetrahedral geometry?

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  20. Chlorine is used for the bleaching of

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