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Bone glow in the dark. This is due to...

Bone glow in the dark. This is due to

A

the presence of red phosphorus

B

conversion of white phosphorus into red phoshporus

C

the presence of calcium carbonate

D

the presence of calcium phosphate

Text Solution

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The correct Answer is:
D
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RESONANCE ENGLISH-NITROGEN & OXYGEN FAMILY-Part-II National Standard Examination in chemistry
  1. The anhydride of nitric acid is:

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  2. The geometry of ammonia molecule can be best described as :

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  3. Bone glow in the dark. This is due to

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  4. Intert pair effect plays an important role in the case of

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  5. What is the product formed when: Na(3)PO(4) is hydrolysed.

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  6. What is the product formed when: Na(2)S(2)O(4) is hydrolysed

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  7. What is the product formed when: Na(2)S(2)O(3) is hydrolysed

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  8. The nitrogen compound that is formed when NH(4)Cl reacts with sodium h...

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  9. The oxide of nitrogen formed when NH(4)NO(3) is heated is

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  10. The nitrogen compound formed when AlN reacts with water is

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  11. The nitrogen compound formed when Mg(3)N(2) reacts with water is

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  12. The nitrogen compound formed when CaCN(2) reacts with steam or hot wat...

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  13. The nitrogen compound formed when (NH(4))(2)SO(4) is heated is

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  14. The chemical formula of 'laughing gas' is

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  15. Phosphine is prepared by the action of

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  16. The reddish -brown gas formed when nitric oxide is oxidized by air is

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  17. In the given reaction PCl(5)+H(2)O to Oxyacid formed is?

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  18. Acidity of diprotic acids in aqueous solutions increases in the order

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  19. Upon long standing, concentration HNO(3)

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  20. The raction that does not produce nitrogen is

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