Question

gaseste corespondenta dintre gradul de oxidare manifestat de azot (coloana A) in compusii din coloana B.
A B
_1.+2 a)HNO3
_2.0 b)NO2
_3.+4 c)N2
_4.+5 d)NO

Answer 1

1-d
2-c
3-b
4-a

Good luck !