1) \(Al+6HNO_3\rightarrow Al\left(NO_3\right)_3+3NO_2+3H_2O\)
2) \(5Mg+12HNO_3\rightarrow5Mg\left(NO_3\right)_2+N_2+6H_2O\)
3) \(3Cr+27HNO_3\rightarrow8Cr\left(NO_3\right)_3+3NH_3+9H_2O\)
4) \(8Cr+30HNO_3\rightarrow8Cr\left(NO_3\right)_3+3N_2O+15H_2O\)
5) \(10Cr+36HNO_3\rightarrow10Cr\left(NO_3\right)_3+3N_2+18H_2O\)
6) \(4Zn+9HNO_3\rightarrow4Zn\left(NO_3\right)_2+NH_3+3H_2O\)
7) \(4Zn+10HNO_3\rightarrow4Zn\left(NO_3\right)_2+N_2O+5H_2O\)
8) \(8Cu+18HNO_3\rightarrow8Cu\left(NO_3\right)_2+2NH_3+6H_2O\)
9) \(5Cu+12HNO_3\rightarrow5Cu\left(NO_3\right)_2+N_2+6H_2O\)
10) \(3Cu+8HNO_3\rightarrow3Cu\left(NO_3\right)_2+2NO+4H_2O\)