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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.
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
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
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Lead nitrate
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