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प्रश्न
Choose the correct answer from the option given below :
Concentrated nitric acid oxidises phosphorus to :
विकल्प
H3PO4
P2O3
H3PO2
H4P2O7
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उत्तर
H3PO4
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संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated.
Sodium Nitrite and Ammonium Chloride
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Give reason for the following:
Lighting is a blessing in disguise.
Write balanced equation and name the product formed when :
Sodium hydrogen carbonate is added to nitric acid.
What do you observe when?
Concentrated nitric acid is dropped on a hot surface?
What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
