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प्रश्न
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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उत्तर
In a glass apparatus nitric acid gets decomposed by sunlight. Yellowish brown colour of nitric acid is due to the presence of nitrogen dioxide formed due to thermal decomposition of nitric acid.
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संबंधित प्रश्न
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
The chemical used in the brown ring test is ______.
Write the equations involved in Ostwald process.
Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________
Write the equation for the reaction of dilute nitric acid with copper.
Write the equation for the reaction:
Aluminum, Nitride and Water.
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
Write the equation for the reaction of dilute nitric acid with copper.
