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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.
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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
Write a balanced equation and name the products formed when zinc reacts with dilute nitric acid.
How will you prepare the following from nitric acid?
Aqua regia
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Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
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Nitric acid usually does not yield hydrogen from acids.
Write balanced equation and name the product formed when :
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What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
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
Identify the gas evolved when sulphur is treated with concentrated nitric acid.
Write a balanced equation for following :
Laboratory preparation nitric acid.
