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प्रश्न
Give reason for the following:
Concentrated nitric acid is brown in colour.
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उत्तर
Concentrated nitric acid is brown in colour due to the presence of nitrogen dioxide formed by heating the acid.
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संबंधित प्रश्न
Name the Following:
Salt referred to as chile saltpeter.
Why is freshly prepared ferrous sulphate solution used in the ring test?
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Nitric acid is used in purification of gold.
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
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
Write a balanced equation for the production of nitrogen dioxide using copper.
Name the compounds required for the laboratory preparation of 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?
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
