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Urea is a very important nitrogenous fer...

Urea is a very important nitrogenous fertiliser. Its formula is `CON_(2)H_(4)`. Calculate the percentage of nitrogen in urea. (C = 12, O = 16, N = 14 and H = 1)

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ICSE-MOLE CONCEPT AND STOICHIOMETRY-Additional Questions for practice
  1. Find the empirical form~a of a compound of carbon and hydrogen which c...

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  2. Calculate the volume occupied at S.T.P. by 2 moles of carbon dioxide. ...

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  3. Urea is a very important nitrogenous fertiliser. Its formula is CON(2)...

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  4. The mass of 5.6 litres of a certain gas at S.T .P. is 12 g. What is th...

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  5. When carbon dioxide is passed over red hot carbon, carbon monoxide is ...

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  6. State : Avogadro's law

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  7. State : Charle's law.

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  8. Calculate : the mass measured at S.T .P. of carbon dioxide released ...

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  9. Calculate : the volume measured at S.T .P. of carbon dioxide release...

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  10. If the molecular formula of an organic compound is C(2)H(2) it is :

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  11. State Gay-Lussac.s Law of combining volumes.

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  12. Calculate the vapour density of sulphur dioxide. [S = 32, O = 16)

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  13. In the preparation of ammonia in industry, the raw materials are nitro...

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  14. In the preparation of ammonia in industry, the raw materials are nitro...

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  15. In the preparation of ammonia in industry, the raw materials are nitro...

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  16. In the preparation of ammonia in industry, the raw materials are nitro...

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  17. A compound X has a molecular formula of C(5)H(10). Write down the empi...

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  18. Calculate the volume occupied by 8 g of sulphur dioxide at S. T.P. [S...

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  19. Define or state : Vapour density of a gas

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  20. State Boyle.s Law.

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