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प्रश्न
Describe what you see when concentrated nitric acid is added to copper.
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उत्तर
When concentrated nitric acid is added to copper brown fumes of nitrogen dioxide are observed.
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संबंधित प्रश्न
Give two chemical equations for the following:
Nitric acid showing as acidic character.
How will you prepare the following from nitric acid?
Lead nitrate
What is meant by the following term?
Fuming 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 :
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
