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Which of the following may ignite sphont...

Which of the following may ignite sphontaneously in air ?

A

White phosphorous

B

Red phosphorus

C

Black Phosphorus

D

Nitrogen

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A
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RESONANCE-NITROGEN & OXYGEN FAMILY-APSP
  1. With reference to protonic acids, which of the following statements is...

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  2. Phosphorus is manufactred by heating in an electric furnace a mixture ...

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  3. Which of the following may ignite sphontaneously in air ?

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  4. Ozone is obtained from oxygen

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  5. Crown shape of S(8) molecule is present in

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  6. Presence of ozone in a gas sample may be detected by

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  7. Amongest H(2)O,H(2)S,H(2)Se and H(2)Te the one with highest boiling p...

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  8. When ammonia is passed over heated copper oxide, the metallic coper is...

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  9. phosphine is generally prepared in the laboratory

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  10. Cyanamide process is used in the formation of

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  11. Ammonium nitrate decomposes on heating into

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  12. Which one of the following combines with Fe(II) ions to form a brown c...

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  13. Formula for tear gas is

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  14. In P(4)O(10), the number of oxygen atoms bonded to each phosphorus ato...

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  15. In the reaction, H(2)SO(4)+P(2)O(5)overset(Delta)to (X)+SO(3), the pro...

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  16. Bleaching action of SO(2) is due to :

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  17. Ortho phosphoric acid on heating above 300^(@)C gives :

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  18. 1 mol of H(3)PO(2), H(3)PO(3) and H(3)PO(4) will neutralise x mol NaOH...

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  19. Which of the following can convert acidified Cr(2)O(7)^(2-) to green ?

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  20. Which of the following statements is true for HNO(2)?

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