1.
____HBr + ____MnO2 →
2.
____HNO3 + ____S →
3.
____HNO3 + ____P + ____H2O →
4.
____Sn + ____HNO3 + ____H2O →
5.
____H2SO4 + ____Cu →
6.
____HI + ____KMnO4 →
7.
____H2S + ____SO2 →
8.
____Ag + ____HNO3 →
9.
____HCl + ____PbO2 →
10.
____HBr + ____KMnO4 →