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प्रश्न
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
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उत्तर
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3 because it forms an azeotropic mixture i.e, at 121°C it boils without any change in its concentration of the mixture with water
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Name the products formed when dilute HNO3 is added to copper.
How will you prepare the following from nitric acid?
Magnesium nitrate
How will you prepare the following from nitric acid?
Aqua regia
Name the Following:
Product obtained by heating concentrated nitric acid.
What is the purpose of Conc. H2SO4 in the above preparation?
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
Complete and balance the following equation :
Fe + HNO3(conc.) → _____________
Fill in the blank with appropriate word.
Furning nitric acid is obtained by dissolving an excess of _______ in conc. 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.
