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प्रश्न
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
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उत्तर
Reddish brown fumes of nitrogen dioxide are observed.
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संबंधित प्रश्न
Name the products formed when carbon and conc. nitric acid is heated.
Write an equation for the following conversions A, B, C and D.
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Fill in the blank with appropriate word/words.
Aqua regia is a mixture of _______ and________
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.
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
Give the name of a soluble lead salt and write the equation for the action of heat on this salt.
Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
