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प्रश्न
What is the purpose of Conc. H2SO4 in the above preparation?
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उत्तर
Concentrated sulphuric acid is non-volatile and produce volatile nitric acid.
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संबंधित प्रश्न
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Ammonia is used in the Ostwald process.
Why is quartz used in this process?
How will you prepare the following from nitric acid?
Sodium nitrate
Name the Following:
Product obtained by heating concentrated nitric acid.
Give three equations of the reaction to prove that nitric acid is an acid.
Give reason for the following:
Concentrated nitric acid is brown in colour.
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
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.
