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प्रश्न
Name the gas that is produced in the given case:
The action of cold and dilute nitric acid on copper
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उत्तर
`NO`
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संबंधित प्रश्न
In the preparation of nitric acid from KNO3 concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
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.
Write a balanced equation and name the products formed when sodium hydrogen carbonate is added to nitric acid.
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.
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.
Write equation to show the reaction between the following:
Copper oxide and dilute nitric acid.
Write balanced equation to show the reaction between the sulphur and hot concentrated nitric acid.
Write a balanced equation for following :
Action of conc. Nitric acid on sulphur
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.
