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प्रश्न
Ammonia is used in the Ostwald process.
Why is quartz used in this process?
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उत्तर
Quartz is acid resistant, and when packed in layers, it helps in dissolving nitrogen dioxide uniformly in water.
संबंधित प्रश्न
How will you prepare the following from nitric acid?
Sodium nitrate
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
How is nitric acid prepared in laboratory?
Explain with the help of a balanced equation, the brown ring test for nitric acid.
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
