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प्रश्न
What do you observe when?
Scrap zinc is heated with conc. HNO3?
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उत्तर
When scrap zinc is heated with conc, HNO3 formation of zinc nitrate, water and nitrogen dioxide will occur.
\[\ce{Zn + 4HNO3 -> Zn(NO3)2 + 2H2O + 2NO2}\]
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संबंधित प्रश्न
Why is freshly prepared ferrous sulphate solution used in the ring test?
Give reason for the following:
Concentrated nitric acid is brown in colour.
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Concentrated nitric acid is dropped on a hot surface?
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Nitric acid is added to Kl (aq)?
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Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
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Copy and complete the following table relating to important industrial processes output refers to the product of the process not the intermediate steps.
| Name of process | Inputs | Catalyst | Equation for catalysed reaction | Output |
| Haber process | Hydrogen + | |||
|
Ammonia + |
Nitric acid |
