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Match the following columns...

Match the following columns

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The correct Answer is:
A, B, C, D
`overset(-3)(NH_(3))rarr overset(+5)(NO_(3)^(-))" "overset(+2)(Fe)overset(+3)(C_(2))O_(4) rarr Fe^(3+)+overset(+4)(C)O_(2)`
`H_(2)overset(+6)(S)O_(5)rarr S_(8)" "Koverset(+7)(Mn)O_(4) rarr Mn^(2+)`
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