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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.
संबंधित प्रश्न
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Hot, concentrated nitric acid reacts with sulphur to form ______________.
State one relevant observation for the following:
When crystals of copper nitrate are heated in a test tube.
Name the gas that is produced in the given case:
The action of cold and dilute nitric acid on copper
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.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3. State the reason.
Write a balanced equation and name the products formed when concentrated nitric acid is heated.
Identify the substance underlined:
The dilute acid which is an oxidizing agent.
Write the balanced equation for the following:
Action of concentrated nitric acid on copper.
Write the equation to show the reaction between the following:
Between copper and concentrated nitric acid.
Write equation to show the reaction between the following:
Copper and concentrated nitric acid.
