摘要: 根据下列化学反应.判断X.Y.Z三种金属的活动性顺序是( ) A. Z>X>Y B. Z>Y>X C. X>Y>Z D. Y>X>Z
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根据下列化学反应,判断X、Y、Z三种金属的活动性顺序是( )
(1)Z+H2SO4=ZSO4+H2↑ (2)X+YSO4=XSO4+Y (3)Z+YSO4=ZSO4+Y (4)X和稀H2SO4不反应.
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(1)Z+H2SO4=ZSO4+H2↑ (2)X+YSO4=XSO4+Y (3)Z+YSO4=ZSO4+Y (4)X和稀H2SO4不反应.
| A.Z>X>Y | B.Z>Y>X | C.X>Y>Z | D.Y>X>Z |
根据下列化学反应,判断X、Y、Z三种金属的活动性顺序是( )
(1)Z+H2SO4═ZSO4+H2↑ (2)X+YSO4═XSO4+Y (3)Z+YSO4═ZSO4+Y (4)X和稀H2SO4不反应.
A.Z>X>Y
B.Z>Y>X
C.X>Y>Z
D.Y>X>Z
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(1)Z+H2SO4═ZSO4+H2↑ (2)X+YSO4═XSO4+Y (3)Z+YSO4═ZSO4+Y (4)X和稀H2SO4不反应.
A.Z>X>Y
B.Z>Y>X
C.X>Y>Z
D.Y>X>Z
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根据下列化学反应,判断X、Y、Z三种金属的活动性顺序是( )
(1)Z+H2SO4═ZSO4+H2↑ (2)X+YSO4═XSO4+Y (3)Z+YSO4═ZSO4+Y (4)X和稀H2SO4不反应.
A.Z>X>Y
B.Z>Y>X
C.X>Y>Z
D.Y>X>Z
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(1)Z+H2SO4═ZSO4+H2↑ (2)X+YSO4═XSO4+Y (3)Z+YSO4═ZSO4+Y (4)X和稀H2SO4不反应.
A.Z>X>Y
B.Z>Y>X
C.X>Y>Z
D.Y>X>Z
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