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K2Cr2O7 + H2S + H2SO4 = S + K2SO4 + Cr2(SO4)3 + H2O
Ionization energy (or Ionisation energy) of group 1 (alkali metals) elements
Al + H2SO4 = Al2(SO4)3 +H2
Al + H2SO4 = Al2(SO4)3 + SO2 + H2O
H2S + KMnO4 + H2SO4 = S + MnSO4 + K2SO4 + H2O
Determination of the standard electrode potential of copper and zinc