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प्रश्न
What is the fixation of Nitrogen?
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उत्तर
The conversion of free atmospheric nitrogen into useful nitrogenous compounds in the soil is known as the fixation of atmospheric nitrogen.
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संबंधित प्रश्न
What is aqua fortis?
During thunderstorm, rain water contains nitric acid. Explain with reactions.
Give reason why concentrated nitric acid prepared in the laboratory is yellow in colour. State how the colour of the acid is removed.
Give reasons for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly above 200°C.
Write a balanced equation and name the products formed when concentrated nitric acid is heated.
Write the balanced equation for the following:
Action of heat on AgNO3
Write the equation of the following reaction.
Sulphur can be converted to sulphuric acid using concentrated nitric acid.
Write equation to show the reaction between the following:
Copper and concentrated nitric acid.
Write equation to show the reaction between the following:
Copper oxide and dilute nitric acid.
Fill in the blank using the appropriate words given below:
Cold, dilute nitric acid reacts with copper to give ______.
