SbCl3+HgCl+NaOH->NaSbO3+NaCl+Hg+H2O Co+HNO3+H2SO4->CoSO4+N2+H2O Al+K2Cr2O7+H2SO4->Al2(SO4)3+Cr(SO4)3+K2SO4+H2O
SbCl3+HgCl+NaOH->NaSbO3+NaCl+Hg+H2O
Co+HNO3+H2SO4->CoSO4+N2+H2O
Al+K2Cr2O7+H2SO4->Al2(SO4)3+Cr(SO4)3+K2SO4+H2O