下图甲和乙是双液原电池装置。由图可判断下列说法错误的是( )
| A．甲图电池反应的离子方程式为：Cd(s)＋Co2＋(aq)=Co(s)＋Cd2＋(aq) |
| B．2Ag(s)＋Cd2＋(aq)=Cd(s)＋2Ag＋(aq)反应能够发生 |
| C．盐桥的作用是形成闭合回路，并使两边溶液保持电中性 |
| D．乙图当有1 mol电子通过外电路时，正极有108 g Ag析出 |
相关试题
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
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