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प्रश्न
Give two chemical equations for the following:
Nitric acid showing as acidic character.
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उत्तर १
\[\ce{K2O + 2HNO3 -> 2KNO3 + H2O}\]
\[\ce{ZnO + 2HNO3 -> Zn(NO3)2+ H2O}\]
उत्तर २
\[\ce{NaOH + HNO3 -> NaNO3 + H2O}\]
\[\ce{CuO + 2HNO3 -> Cu(NO3)2 + H2O}\]
संबंधित प्रश्न
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
How will you prepare the following from nitric acid?
Aqua regia
Name a metal nitrate which on heating is changed into metal oxide.
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Give reason for the following:
Conc. Nitric acid renders iron passive.
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.
- Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
- Write an equation to show how nitric acid undergoes decomposition.
- Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.
