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प्रश्न
Write the name of gas released when Cu is added to
conc. HNO3
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उत्तर
Nitrogen dioxide
\[\ce{4HNO3(conc.) + Cu-> Cu(NO3)2 + \underset{\text{Nitrogen dioxide}}{2NO2} + 2H2O}\]
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संबंधित प्रश्न
Explain brown ring test with the help of chemical equation
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