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In organic compound phosphorus is estima...

In organic compound phosphorus is estimated as :

A

Magnesium pyrophosphate `Mg_2P_2O_7`

B

`H_3PO_4`

C

`Mg_3(PO_4)_2`

D

`P_2O_5`

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The correct Answer is:
A
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MBD PUBLICATION-HYDROCARBONS-QUESTION BANK
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  2. Impure glycerine can be purified by :

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  3. In organic compound phosphorus is estimated as :

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  4. In the estimation of nitrogen by Duma 's method 1.18 g of an organic c...

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  5. 0.20 g of a hydrocarbon on combustion gave 0.66 g CO2 . The percentage...

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  6. An organic compound is fused with fusion mixture and extracted with HN...

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  7. 0.5 g of an organic compound containing nitrogen on Kjeldahlising requ...

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  8. Ellution is the process for :

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  9. Sublimation method can be used for the purification of :

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  10. In Lassaigne's test sodium metal is used because :

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  11. Kjeldahl 's method cannot be used for the estimation of nitrogen in :

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  12. There is no test (Direct) for the detection of following in an organic...

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  13. Carbon and hydrogen are estimated by :

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  14. In kjeldahl's method ,nitrogen present is estimated as :

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  15. Petroleum refining involves:

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  16. In paper chromatography:

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  17. The most satisfactory method of separating sugars from each other is :

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  18. Absolute alcohol acnnot be obtained by simple fractionation of solutio...

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  19. Anthracene is purified by :

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  20. An organic substance from its aqueous solution can be separated by :

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