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प्रश्न
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
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उत्तर
\[\ce{KNO3 + H2SO4 ->[200°C] KHSO4 + HNO3}\]
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संबंधित प्रश्न
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of nitric acid?
How will you prepare the following from nitric acid?
Aqua regia
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
What is meant by the following term?
Decrepitation
Give reason for the following:
Aqua regia dissolves gold and platinum.
Give the name of a soluble lead salt and write the equation for the action of heat on this salt.
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
