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प्रश्न
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
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उत्तर
Reddish brown fumes of nitrogen dioxide are observed.
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संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated.
Sodium Nitrite and Ammonium Chloride
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Write a balanced equation and name the products formed when zinc reacts with dilute nitric acid.
What is meant by the following term?
Decrepitation
How is nitric acid prepared in laboratory?
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
How will you prepare Aqua regia from nitric acid?
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
