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प्रश्न
How can 68% nitric acid be concentrated to 98% nitric acid?
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उत्तर
98% nitric acid is obtained by distilling 68% nitric acid with conc. H2SO4 under reduced pressure. The function of H2SO4 is to absorb water.
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संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Give three equations of the reaction to prove that nitric acid is an acid.
Give reason for the following:
Concentrated nitric acid is a stronger oxidizing agent.
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
