题目内容：
下列分散系能产生“丁达尔效应”的是（）。
A.稀硫酸
B.硫酸铜溶液
C.氢氧化铁胶体
D.酒精溶液
参考答案：
答案解析：
选择题：下列分散系能产生“丁达尔效应”的是（）。
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- 题目类型：选择题
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