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प्रश्न
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Hot, concentrated nitric acid reacts with sulphur to form ______________.
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उत्तर
Nitrogen dioxide
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संबंधित प्रश्न
Cold, dilute nitric acid reacts with copper to give ______.
- 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.
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.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3. State the reason.
Write a balanced equation and name the products formed when concentrated nitric acid is heated.
How would you separate gold from a mixture of gold and copper filling?
Choose the correct word from the given options to complete the sentence :
Sulphur can be converted to sulphuric acid using __________ nitric acid.
Write a balanced equation for following :
Action of cold and dilute nitric acid on copper
What happens when
Caustic soda solution is added to Cu(NO3)2 solution and product boiled.
Convert the following reaction into a balanced chemical equation:
Ammonia to nitric oxide using oxygen and platinum catalyst.
