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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
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
How will you prepare the following from nitric acid?
Ferric nitrate
What is meant by the following term?
Decrepitation
Give reason for the following:
Conc. Nitric acid renders iron passive.
Write balanced equation and name the product formed when :
Cupric oxide reacts with nitric acid.
Complete and balance the following equation :
Pt + HNO3 + HCl → ___________
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Write balanced equation for the preparation of nitric acid from potassium nitrate.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Complete the table:
| Name of Process | Inputs | Equation | Output |
| Ammonia + Air | Nitric acid |
