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Find the percentage of nitrogen in ammon...

Find the percentage of nitrogen in ammonia.

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During nitrogen estimation present in an organic compound by Kjeldahl.s method, the ammonia evolved from 0.5 g of the compound in Kjeldahl.s estimation of nitrogen neutralised 10 ml of 1 M H_(2)SO_(4) . Find the percentage of nitrogen in the compound.

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0.36 g of a nitrogeneous organic compound was Kejldahilised and the ammonia liberated was exactly neutralised by 20 ml of 0.3 N H_(2)SO_(4_ . Calculate the percentage of nitrogen in the compound.

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SURA PUBLICATION-MODEL QUESTION PAPER HIGHER LEVEL-Subjective Questions
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  2. A cobalt specimen emits induced radiation of 75.6 millicurie per secon...

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  3. Find the percentage of nitrogen in ammonia.

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  4. Where does the carbon that is used in photosynthesis come from?

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  6. What is Scratch?

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  10. A solution is prepared by dissolving 45g of sugar in 180g of water. Ca...

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  11. State two conditions necessary for rusting of iron.

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  12. Trace the pathway followed by water molecules from the time it enters ...

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  14. How do you differentiate homologous organs from analogous organs?

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  15. What would happen if the habitat of wild animals of disturbed ?

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  17. Two blocks of masses 8 kg and 2 kg respectively lie on a smooth hori...

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  18. Derive the ideal gas equation by combining the empirical gas laws.

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