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प्रश्न
Ammonia is used in the Ostwald process.
Why is quartz used in this process?
उत्तर
Quartz is acid resistant, and when packed in layers, it helps in dissolving nitrogen dioxide uniformly in water.
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संबंधित प्रश्न
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Fill in the blank with appropriate word/words.
98% nitric acid is obtained by distilling 68% nitric acid with ________ under ______
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
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.
When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
Write a chemical equation to illustrate the acidic nature of nitric acid.
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
