皮皮学，免费搜题
登录
搜题
【简答题】
铜器久置于空气中会和空气中的水蒸气、CO 2 、O 2 作用产生“绿锈”，该“绿锈”俗称“铜绿”，化学式为Cu 2 (OH) 2 CO 3 ，“铜绿”能跟酸反应生成铜盐和CO 2 、H 2 O。某同学利用下述系列反应实现了“铜→铜绿……→铜”的转化。 (1)从三种不同分类标准回答，“铜绿”属于哪类物质？ ________、________、________。 (2)请写出铜绿与盐酸反应的化学方程式_________________________________。 (3)写出B的化学式________。 (4)上述转化过程中属于化合反应的是________，属于复分解反应的是________。 (5)胶体铜在电子行业、塑料和陶瓷电镀等方面应用广泛。下列关于溶液和胶体的叙述，正确的是________。 A．一束光线分别通过溶液和胶体时，后者能看到一条光亮的“通路”，前者则没有 B．溶液是电中性的，胶体是带电的 C．溶液中溶质分子可以通过滤纸，胶体中分散质粒子则不能通过滤纸 D．通电时，溶液中的溶质粒子分别向两极移动，胶体中的分散质粒子向某一极移动
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】阅读理解。 A recent study, which was published in last week's Journal of the American Medical Association, offers a picture of how erous it is to get a lift from a age driver. Indeed, a 16-year-old...
【简答题】Chinese female film stars, like Gong Li and Zhang Ziyi, due to the charm of their films, have set a good image for Chinese women in the world. Compared with Chinese women, the image of Chinese men is ...
【简答题】采用实地盘存制，平时账簿记录中不能反映（ ）
【简答题】A recent study, which was published in last week’s Journal of the American Medical Association, offers a picture of how erous it is to get a lift from a age driver. Indeed, a 16-year-old drive...
【单选题】听力原文：W: How do you like the old black and white movies of the forties, and fifties compared with the modem ones? M: For their time, the movies of the forties and fifties were excellent. But try to com...
A.
They am better than the modem movies.
B.
There is more technology in them.
C.
The technology in them cannot be compared with that of modem ones.
D.
They are excellent to us now.
【简答题】函数递归调用需要满足的两个条件。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
