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प्रश्न
Give reason for the following:
Nitric acid is used in purification of gold.
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उत्तर
Nitric acid is used in the purification of gold because impurities of other metals are dissolved in it.
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संबंधित प्रश्न
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of Nitric acid?
Name a metal nitrate which on heating is changed into metal.
Write balanced equation and name the product formed when :
Sodium hydrogen carbonate is added to nitric acid.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
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 |
Explain why nitric acid is kept in a reagent bottle for a long time.
