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प्रश्न
Write equation to show the reaction between the following:
Copper and concentrated nitric acid.
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उत्तर
\[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
Give a balanced chemical equation for Action of conc. Nitric acid on Sulphur
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Cold, dilute nitric acid reacts with copper to give ___________.
In the preparation of nitric acid from KNO3 concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
Write a balanced equation and name the products formed when concentrated nitric acid is heated.
Identify the substance underlined:
The dilute acid which is an oxidizing agent.
How would you separate gold from a mixture of gold and copper filling?
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 ______.
Write a balanced equation for following :
Action of cold and dilute nitric acid on copper
From the formulae listed below, Choose, one, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4, 7H2O.
On heating this, salt changes from green to black.
