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प्रश्न
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
पर्याय
\[\ce{No^{+}_{2}}\]
\[\ce{NO^{-}_{3}ions}\]
NO2
HNO2
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उत्तर
NO2
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संबंधित प्रश्न
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
How will you prepare the following from nitric acid?
Magnesium nitrate
What is meant by the following term?
Fuming nitric acid
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
Give reason for the following:
Nitric acid is used in purification of gold.
Give two chemical tests for nitric acid.
Choose the correct answer from the option given below :
Concentrated nitric acid oxidises phosphorus to :
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
From the following list of substances, choose one substance in the case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
A Substance that gives off only oxygen when heated.
