题目内容：
硅的化学提纯技术的区别主要是中间化合物不同，西门子法是最常用的方法。
A.正确
B.错误
参考答案：
选择题：硅的化学提纯技术的区别主要是中间化合物不同，西门子法是最常用的方法。
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- 题目类型：选择题
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