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When copper is heated with conc.`HNO_(3)` it produces

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When copper is heated with conc.`HNO_(3)` it produces
A. `Cu(NO_(3))_(2)` and `N_(2)O`
B. `Cu(NO_(3))_(2)` and `NO_(2)`
C. `Cu(NO_(3))_(2)` and `NO`
D. `Cu(NO_(3))_(2), NO` and `NO_(2)`
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`Cu+4HNO_(3)("conc.")overset(Delta)rarrCu(NO_(3))_(2)+2NO_(2)+2H_(2)O`
` Cu+4HNO_(3)("dilute")overset(Delta)rarr3Cu(NO_(3))_(2)+2NO+4H_(2)O`
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