✔ 最佳答案
Pb and Ba will be oxidized
H2SO4(aq) + Pb(s) -------> H2(g) + PbSO4(s)
after reaction,there will be hydrogen and white ppt
H2SO4(aq) + Ba(s) -------> H2(g) + BaSO4(s)
after reaction,there will be hydrogen and white ppt
2007-03-26 18:26:45 補充:
I hope I am right