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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
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Cold, dilute nitric acid reacts with copper to give ___________.
Name the gas that is produced in the given cases :
Sulphur is oxidized by concentrated nitric acid.
What is aqua fortis?
Conc. Nitric acid prepared in laboratory is yellow in colour why? How is this colour removed?
Identify the substance underlined:
The dilute acid which is an oxidizing agent.
How would you separate gold from a mixture of gold and copper filling?
Choose the correct word from the given options to complete the sentence :
Sulphur can be converted to sulphuric acid using __________ nitric acid.
Write the equation to show the reaction between the following:
Between copper and 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.
