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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
How will you prepare the following from nitric acid?
Aqua regia
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Complete and balance the following equation :
SO2 + HNO3 → ______________
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
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.
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
Name the compounds required for the laboratory preparation of nitric acid.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution
Lead nitrate decomposes on heating to give ______.
