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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.
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 sodium hydrogen carbonate is added to nitric acid.
Write down the word equation or balanced equation for the action of concentrated nitric acid on copper.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate condition(s) and underline it in your answer.
Copper and nitric acid react together to produce nitrogen dioxide.
Write balanced equation to show the reaction between the sulphur and hot concentrated nitric acid.
Write a balanced equation for following :
Action of conc. Nitric acid on sulphur
From the formulae listed below, Choose, one, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4, 7H2O.
On heating this, salt changes from green to black.
The diagram given below is a representation of the Industrial preparation of Nitric acid by Ostwald’s process. With respect to the process answer the following questions:
- Write the temperature and the catalyst required during the catalytic oxidation of ammonia.
- Give balanced chemical equation for the reaction occurring duringthe conversion of nitrogen dioxide to nitric acid.
