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X.>Y.>Z Z.>X.>Y Y.>Z.>X Z.>Y.>X.
X.>Y.>Z. Z.>X.>Y. Y.>Z.>X. Z.>Y.>X.
X>Z>Y . X>Y>Z Z>Y>X Z>X>Y
X.>Y.>Z Z.>Y.>X Z.>X.>Y Y.>X.>Z.
Z.>X.>Y Z.>Y.>X X.>Y.>Z X.>Z.>Y.
Fe Cu Ag Cu Hg Ag Mg Zn Fe Fe Ag Cu
X>H>Y>Z Y>Z>X>H Z>Y>X>H X>H>Z>Y
实验一:X + YSO4 → XSO4 + Y 实验二:Z + YSO4 → ZSO4 + Y 实验三:X +H.2SO4(稀) → XSO4 +H.2↑ 实验四:X +H.2SO4(稀) → 不反应
X+YSO4=XSO4+Y Z+YSO4=ZSO4+Y Z+H2SO4=ZSO4+H2↑ X+H2SO4→(不反应)
X>H>Y>Z X>H>Z>Y Z>Y>X>H Y>Z>X>H
X.>Y.>Z Z.>X.>Y Y.>Z.>X Z.>Y.>X.
Fe Cu Ag Cu Hg Ag Mg Zn Fe Fe Ag Cu
X>H>Y>Z Y>Z>X>H Z>Y>X>H X>H>Z>Y
X>H>Y>Z X>H>Z>Y Z>Y>X>H Y>Z>X>H