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Holme's signals produce burning gases wh...

Holme's signals produce burning gases which serve as a signal to the approaching ships contains.

A

A mixture of `Ca_3 P_2` and `CaC_2`

B

A mixture of `Ca_3 P_2` and `KOH`

C

A mixture of `CaC_2` and `KOH`

D

A mixture of `CaP_2, CaC_2` and `KOH`.

Text Solution

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The correct Answer is:
A
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CENGAGE CHEMISTRY-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Single Correct)
  1. The structure of phosphide ion is smaller to that of

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  2. Calcium phosphide is used in smoke screen because it.

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  3. Holme's signals produce burning gases which serve as a signal to the a...

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  4. Among the following the strongest acid is

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  5. Basicity of H3 PO4 and H3 PO3 are

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  6. Phosphoric acid is syrupy in nature due to hydrogen bonding. Each mole...

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  7. PCl3, P4 O6 and P4 O10, PCl5 on hydrolysis gives respectivey.

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  8. If phosphorous acid is allowed to react with sufficient quantity of KO...

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  9. Which one of the following pairs is obtained on heating ammonium dichr...

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  10. By mixing ammonium chloride to potassium nitrite and heating, we get

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  11. In salt which on heating gives a mixture of two gases is

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  12. Ammonia is not used

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  13. Which one of the following is used for drying of ammonia ?

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  14. Phosphorus is kept in

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  15. It is recommended that ammonia bottles be opened after cooling in ice ...

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  16. Silver chloride dissolves in excess of NH4OH. The cation present in so...

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  17. When NH4OH is added to copper sulphate solution, blue colour is obtain...

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  18. A certain element is forms a solid oxide which dissolves in water to f...

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  19. A colourless gas X forms a brown coloured gas when mixed with air. The...

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  20. The number of P-O-P and P-OH bonds present respectively in pyrophospho...

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