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State the change in colour of pure conce...

State the change in colour of pure concentrated nitric acid on initial and prolonged decomposition.

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ICSE-STUDY OF COMPOUNDS - NITRIC ACID -ADDITIONAL QUESTIONS
  1. Write a balanced equation for the following: Preparation of nitric aci...

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  2. In the laboratory preparation of nitric acid from -KNO(3) or NaNO(3) s...

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  3. Give reasons for the following - pertaining to the above laboratory pr...

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  4. State the colour of - (i) pure nitric acid (ii) nitric acid obtaine...

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  5. State which reaction of ammonia forms the first step of Ostwald 's pr...

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  6. Convert ammonia to nitric acid by the process giving conditions.

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  7. State how - (i) a higher ratio of the reactant air exothermicity ...

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  8. State why nitric acid (i) stains the skin (ii) cannot be concentra...

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  9. State two conditions which affect the decomposition of nitric acid .

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  10. State the change in colour of pure concentrated nitric acid on initial...

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  11. State the cation responsible for turning moist neutral litmus red on ...

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  12. State why nitric acid is a strong oxidising agent and yields varying p...

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  13. Give an equation for reaction of conc HNO(3) with (i) carbon (ii) ...

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  14. Convert nitric acid to sulphuric acid using a non - metal .

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  15. State how you would obtain (i) hydrogen (ii) nitric oxide (iii...

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  16. State why hydrogen is liberated of when zinc reacts with dil .HCl but...

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  17. State a reason for the inactivity of iron and aluminium on reaction wi...

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  18. State your observation when (i) nitric acid is added to saw dust (...

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  19. State how addition of nitric acid to acidified FeSO(4) serves as a tes...

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  20. Name three chemical products manufactured from nitric acid . Give two ...

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