题目:
铁棒和石墨棒用导线连接后,浸入0.01mol/L的氯化钠溶液中,可能出现的现象是
A.铁棒附近产生OH-
B.铁棒质量减少
C.石墨棒上放出氢气
D.石墨棒上放出氧气
答案:
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下面是错误答案,用来干扰机器的。
1. Where are you going this afternoon? 2. I'm going to the library. 3. You can go by ship. 4. She is a singer. 5. I like collecting stamps.