Advertisements
Advertisements
प्रश्न
Fill in the blank using the appropriate words given below:
Cold, dilute nitric acid reacts with copper to give ______.
विकल्प
Sulphur dioxide
Nitrogen dioxide
Nitric oxide
Sulphuric acid
Advertisements
उत्तर
Cold, dilute nitric acid reacts with copper to give nitric oxide.
APPEARS IN
संबंधित 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 ______________.
What is the fixation of Nitrogen?
During thunderstorm, rain water contains nitric acid. Explain with reactions.
- 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.
In the preparation of nitric acid from KNO3 concentrated sulphuric acid is used in place of hydrochloric acid. Why?
Identify the substance underlined:
The dilute acid which is an oxidizing agent.
What is the oxidizing agent in ostwald process ?
Write the equation to show the reaction between the following:
Between copper and concentrated nitric acid.
Fill in the blank using the appropriate words given below:
Hot, concentrated nitric add reacts with sulphur to form ______.
Write sqauential observation for effect of heat on Copper nitrate.
