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प्रश्न
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
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उत्तर
At high temperature, nitric acid decomposes and the glass apparatus may get damaged. Sodium formed at a higher temperature forms a hard crust which sticks to the walls of the retort.
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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?
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
How can 68% nitric acid be concentrated to 98% nitric acid?
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Identify the gas evolved when sulphur is treated with concentrated nitric acid.
Lead nitrate decomposes on heating to give ______.
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
