![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
现在X、Y、Z三种金属,将它们分别放入稀H2SO4中,只有X无氢气放出。将Y投入Z的盐溶液中,Y的表面没有发生变化。则X、Y、Z的金属活动性顺序是()
A.X>Y>Z
B.Z>Y>X
C.X>Z>Y
D.Y>Z>X
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、Z>Y>X
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.X>Y>Z
B.Z>Y>X
C.X>Z>Y
D.Y>Z>X
B、Z>Y>X
A.X>Y>Z
B.Z>Y>X
C.Y>X>Z
D.X>Z>Y
A.X、Y、Z的金属活动性依次减弱
B.X金属可能是铜(Cu)
C.Z金属一定是金(Au)
D.Y与硝酸银的反应属于复分解反应
A.X>Y>Z
B.Z>X>Y
C.X>Z>Y
D.Y>X>Z
A.X>Y>Z
B.X>Z>Y
C.Y>X>Z
D.无法比较
A.Y、Z、X
B.X、Y、Z
C.X、Z、Y
D.Z、Y、X
A.丙>乙>甲
B.甲>丙>乙
C.丙>甲>乙
D.甲>乙>丙
A.丙、甲、乙
B.甲、乙、丙
C.乙、甲、丙
D.甲、丙、乙
A.原子序数X>Y>Z
B.原子半径X<Y<Z
C.气态氢化物的稳定性H3X>H2Y>HZ
D.元素的非金属性X<Y<Z
A.X>;Y>;Z
B.X>;Z>;Y
C.Z>;X>;Y
D.Z>;Y>;X
A.15.3%
B.15.8%
C.15.0%
D.14.7%