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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
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
How is nitric acid prepared in laboratory?
Give reason for the following:
Aqua regia dissolves gold and platinum.
What do you observe when?
Conc. HNO3 drops on the skin of a person?
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
Choose the correct answer from the option given below :
When treated with nitric acid which of the following liberate hydrogen?
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Write a balanced equation for following :
Reaction of ammonia with nitric acid
