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Which of the following elements can give `NO_(2)` as a by product on reaction with conc. `HNO_(3)`?

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Which of the following elements can give `NO_(2)` as a by product on reaction with conc. `HNO_(3)`?
A. `C`
B. `Cu`
C. `Zn`
D. `Sn`
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Correct Answer - A::B::C::D
`C+4HNO_(3)to CO_(2)+4NO_(2)+2H_(2)O`
`Cu+4HNO_(3)to Cu(NO_(3))_(2)+2NO_(2)+2H_(2)O`
`Zn+4HNO_(3)toZn(NO_(3))_(2)+2NO_(2)+2H_(2)O`
`Sn+4HNO_(3)toH_(2)SnO_(3)+4NO_(2)+H_(2)O`
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