问题
选择题
下列表达不能通过化合反应得到的是：
A．FeSO4
B．Fe(NO3)2
C．FeCl2
D．Fe(OH) 2
答案
答案：D
铁和硫酸铁化合可以生成硫酸亚铁，同样铁和硝酸铁化合可以生成硝酸亚铁，铁和氯化铁化合生成氯化亚铁，氢氧化亚铁只能通过复分解反应生成，所以答案选D。
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下列表达不能通过化合反应得到的是：
A．FeSO4
B．Fe(NO3)2
C．FeCl2
D．Fe(OH) 2
答案：D
铁和硫酸铁化合可以生成硫酸亚铁，同样铁和硝酸铁化合可以生成硝酸亚铁，铁和氯化铁化合生成氯化亚铁，氢氧化亚铁只能通过复分解反应生成，所以答案选D。
| 根据对话内容，选用方框内的句子补全对话。 | |
B: Ah, Yes, I want to visit the centre of Beijing. A: 1. B: Just one day A: Well, what do you want to do there? B: I want to visit the Tiananmen Square, the History Museum, do some shopping, and go to a theatre. A: But you only have one day. B: 2. A: Well, you can go shopping in Wangfujing Street in the morning. B: 3. A: You can take the No.1 Bus. B: Are there any restaurants in Wangfujing Street? A: Yes, there are many. 4. The Tiananmen Square and the History Museum are near Wangfujing Street, You can go there in the afternoon. B: I want to go to a theatre in the evening. A: Well, there is a big one in Chang'an Street. It's the Chang'an Grand Theatre B: 5. Thanks of your help. A: You are welcome. Have a good time. |