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प्रश्न
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate condition(s) and underline it in your answer.
Copper and nitric acid react together to produce nitrogen dioxide.
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उत्तर
Copper is heated with nitric acid, they react together to produce nitrogen dioxide.
\[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
Give a balanced chemical equation for Action of conc. Nitric acid on Sulphur
Name the gas that is produced in the given cases :
Sulphur is oxidized by concentrated nitric acid.
- Write a balanced chemical equation for the laboratory preparation of nitric acid.
- In the preparation of nitric acid from KNO3, concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
- Conc. nitric acid prepared in the laboratory is yellow in colour. Why? How is this colour removed?
- Give reasons for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly above 200°C.
Conc. Nitric acid prepared in laboratory is yellow in colour why? How is this colour removed?
Write a balanced equation and name the products formed when sodium hydrogen carbonate is added to nitric acid.
Name the Following:
Product obtained by the catalytic oxidation of ammonia.
How would you separate gold from a mixture of gold and copper filling?
Write down the word equation or balanced equation for the action of concentrated nitric acid on copper.
Fill in the blank using the appropriate words given below:
Cold, dilute nitric acid reacts with copper to give ______.
Fill in the blank using the appropriate words given below:
Hot, concentrated nitric add reacts with sulphur to form ______.
